diff --git a/extmod/modure.c b/extmod/modure.c
index d0829e8c5..738a2b984 100644
--- a/extmod/modure.c
+++ b/extmod/modure.c
@@ -68,7 +68,7 @@ STATIC mp_obj_t match_group(mp_obj_t self_in, mp_obj_t no_in) {
     mp_obj_match_t *self = MP_OBJ_TO_PTR(self_in);
     mp_int_t no = mp_obj_get_int(no_in);
     if (no < 0 || no >= self->num_matches) {
-        nlr_raise(mp_obj_new_exception_arg1(&mp_type_IndexError, no_in));
+        mp_raise_type_arg(&mp_type_IndexError, no_in);
     }
 
     const char *start = self->caps[no * 2];
@@ -107,7 +107,7 @@ STATIC void match_span_helper(size_t n_args, const mp_obj_t *args, mp_obj_t span
     if (n_args == 2) {
         no = mp_obj_get_int(args[1]);
         if (no < 0 || no >= self->num_matches) {
-            nlr_raise(mp_obj_new_exception_arg1(&mp_type_IndexError, args[1]));
+            mp_raise_type_arg(&mp_type_IndexError, args[1]);
         }
     }
 
@@ -334,7 +334,7 @@ STATIC mp_obj_t re_sub_helper(size_t n_args, const mp_obj_t *args) {
                     }
 
                     if (match_no >= (unsigned int)match->num_matches) {
-                        nlr_raise(mp_obj_new_exception_arg1(&mp_type_IndexError, MP_OBJ_NEW_SMALL_INT(match_no)));
+                        mp_raise_type_arg(&mp_type_IndexError, MP_OBJ_NEW_SMALL_INT(match_no));
                     }
 
                     const char *start_match = match->caps[match_no * 2];
diff --git a/extmod/moduzlib.c b/extmod/moduzlib.c
index 999cb4813..f78c34908 100644
--- a/extmod/moduzlib.c
+++ b/extmod/moduzlib.c
@@ -201,7 +201,7 @@ STATIC mp_obj_t mod_uzlib_decompress(size_t n_args, const mp_obj_t *args) {
     return res;
 
 error:
-    nlr_raise(mp_obj_new_exception_arg1(&mp_type_ValueError, MP_OBJ_NEW_SMALL_INT(st)));
+    mp_raise_type_arg(&mp_type_ValueError, MP_OBJ_NEW_SMALL_INT(st));
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_uzlib_decompress_obj, 1, 3, mod_uzlib_decompress);
 
diff --git a/ports/unix/modjni.c b/ports/unix/modjni.c
index 74e7221de..bd151050e 100644
--- a/ports/unix/modjni.c
+++ b/ports/unix/modjni.c
@@ -102,9 +102,9 @@ STATIC void check_exception(void) {
         mp_obj_t py_e = new_jobject(exc);
         JJ1(ExceptionClear);
         if (JJ(IsInstanceOf, exc, IndexException_class)) {
-            nlr_raise(mp_obj_new_exception_arg1(&mp_type_IndexError, py_e));
+            mp_raise_type_arg(&mp_type_IndexError, py_e);
         }
-        nlr_raise(mp_obj_new_exception_arg1(&mp_type_Exception, py_e));
+        mp_raise_type_arg(&mp_type_Exception, py_e);
     }
 }
 
diff --git a/py/dynruntime.h b/py/dynruntime.h
index a8256c194..fdb91ed37 100644
--- a/py/dynruntime.h
+++ b/py/dynruntime.h
@@ -215,6 +215,7 @@ static inline mp_obj_t mp_obj_len_dyn(mp_obj_t o) {
 #define mp_obj_new_exception_arg1(e_type, arg)  (mp_obj_new_exception_arg1_dyn((e_type), (arg)))
 
 #define nlr_raise(o)                            (mp_raise_dyn(o))
+#define mp_raise_type_arg(type, arg)            (mp_raise_dyn(mp_obj_new_exception_arg1_dyn((type), (arg))))
 #define mp_raise_msg(type, msg)                 (mp_fun_table.raise_msg((type), (msg)))
 #define mp_raise_OSError(er)                    (mp_raise_OSError_dyn(er))
 #define mp_raise_NotImplementedError(msg)       (mp_raise_msg(&mp_type_NotImplementedError, (msg)))
diff --git a/py/objdict.c b/py/objdict.c
index aea5952d3..63e5381c6 100644
--- a/py/objdict.c
+++ b/py/objdict.c
@@ -190,7 +190,7 @@ mp_obj_t mp_obj_dict_get(mp_obj_t self_in, mp_obj_t index) {
     mp_obj_dict_t *self = MP_OBJ_TO_PTR(self_in);
     mp_map_elem_t *elem = mp_map_lookup(&self->map, index, MP_MAP_LOOKUP);
     if (elem == NULL) {
-        nlr_raise(mp_obj_new_exception_arg1(&mp_type_KeyError, index));
+        mp_raise_type_arg(&mp_type_KeyError, index);
     } else {
         return elem->value;
     }
@@ -206,7 +206,7 @@ STATIC mp_obj_t dict_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t value) {
         mp_obj_dict_t *self = MP_OBJ_TO_PTR(self_in);
         mp_map_elem_t *elem = mp_map_lookup(&self->map, index, MP_MAP_LOOKUP);
         if (elem == NULL) {
-            nlr_raise(mp_obj_new_exception_arg1(&mp_type_KeyError, index));
+            mp_raise_type_arg(&mp_type_KeyError, index);
         } else {
             return elem->value;
         }
@@ -295,7 +295,7 @@ STATIC mp_obj_t dict_get_helper(size_t n_args, const mp_obj_t *args, mp_map_look
     if (elem == NULL || elem->value == MP_OBJ_NULL) {
         if (n_args == 2) {
             if (lookup_kind == MP_MAP_LOOKUP_REMOVE_IF_FOUND) {
-                nlr_raise(mp_obj_new_exception_arg1(&mp_type_KeyError, args[1]));
+                mp_raise_type_arg(&mp_type_KeyError, args[1]);
             } else {
                 value = mp_const_none;
             }
diff --git a/py/objset.c b/py/objset.c
index dac9b1138..d2508bfbf 100644
--- a/py/objset.c
+++ b/py/objset.c
@@ -372,7 +372,7 @@ STATIC mp_obj_t set_remove(mp_obj_t self_in, mp_obj_t item) {
     check_set(self_in);
     mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
     if (mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_REMOVE_IF_FOUND) == MP_OBJ_NULL) {
-        nlr_raise(mp_obj_new_exception_arg1(&mp_type_KeyError, item));
+        mp_raise_type_arg(&mp_type_KeyError, item);
     }
     return mp_const_none;
 }
diff --git a/py/objstr.c b/py/objstr.c
index 98657bd21..7d7f0e1df 100644
--- a/py/objstr.c
+++ b/py/objstr.c
@@ -1081,7 +1081,7 @@ STATIC vstr_t mp_obj_str_format_helper(const char *str, const char *top, int *ar
                 field_name = lookup;
                 mp_map_elem_t *key_elem = mp_map_lookup(kwargs, field_q, MP_MAP_LOOKUP);
                 if (key_elem == NULL) {
-                    nlr_raise(mp_obj_new_exception_arg1(&mp_type_KeyError, field_q));
+                    mp_raise_type_arg(&mp_type_KeyError, field_q);
                 }
                 arg = key_elem->value;
             }
diff --git a/py/pystack.c b/py/pystack.c
index f7323fd74..ea5f0d9d1 100644
--- a/py/pystack.c
+++ b/py/pystack.c
@@ -43,8 +43,7 @@ void *mp_pystack_alloc(size_t n_bytes) {
     #endif
     if (MP_STATE_THREAD(pystack_cur) + n_bytes > MP_STATE_THREAD(pystack_end)) {
         // out of memory in the pystack
-        nlr_raise(mp_obj_new_exception_arg1(&mp_type_RuntimeError,
-            MP_OBJ_NEW_QSTR(MP_QSTR_pystack_space_exhausted)));
+        mp_raise_type_arg(&mp_type_RuntimeError, MP_OBJ_NEW_QSTR(MP_QSTR_pystack_space_exhausted));
     }
     void *ptr = MP_STATE_THREAD(pystack_cur);
     MP_STATE_THREAD(pystack_cur) += n_bytes;
diff --git a/py/runtime.c b/py/runtime.c
index 2c849fe95..19686c310 100644
--- a/py/runtime.c
+++ b/py/runtime.c
@@ -1565,21 +1565,24 @@ NORETURN void mp_raise_NotImplementedError(mp_rom_error_text_t msg) {
 
 #endif
 
+NORETURN void mp_raise_type_arg(const mp_obj_type_t *exc_type, mp_obj_t arg) {
+    nlr_raise(mp_obj_new_exception_arg1(exc_type, arg));
+}
+
 NORETURN void mp_raise_StopIteration(mp_obj_t arg) {
     if (arg == MP_OBJ_NULL) {
         mp_raise_type(&mp_type_StopIteration);
     } else {
-        nlr_raise(mp_obj_new_exception_arg1(&mp_type_StopIteration, arg));
+        mp_raise_type_arg(&mp_type_StopIteration, arg);
     }
 }
 
 NORETURN void mp_raise_OSError(int errno_) {
-    nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(errno_)));
+    mp_raise_type_arg(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(errno_));
 }
 
 #if MICROPY_STACK_CHECK || MICROPY_ENABLE_PYSTACK
 NORETURN void mp_raise_recursion_depth(void) {
-    nlr_raise(mp_obj_new_exception_arg1(&mp_type_RuntimeError,
-        MP_OBJ_NEW_QSTR(MP_QSTR_maximum_space_recursion_space_depth_space_exceeded)));
+    mp_raise_type_arg(&mp_type_RuntimeError, MP_OBJ_NEW_QSTR(MP_QSTR_maximum_space_recursion_space_depth_space_exceeded));
 }
 #endif
diff --git a/py/runtime.h b/py/runtime.h
index 8484479a5..f0d41f38d 100644
--- a/py/runtime.h
+++ b/py/runtime.h
@@ -184,6 +184,7 @@ NORETURN void mp_raise_TypeError(mp_rom_error_text_t msg);
 NORETURN void mp_raise_NotImplementedError(mp_rom_error_text_t msg);
 #endif
 
+NORETURN void mp_raise_type_arg(const mp_obj_type_t *exc_type, mp_obj_t arg);
 NORETURN void mp_raise_StopIteration(mp_obj_t arg);
 NORETURN void mp_raise_OSError(int errno_);
 NORETURN void mp_raise_recursion_depth(void);