diff --git a/shell/i.cpp b/shell/i.cpp
index 0d53f73..28954de 100644
--- a/shell/i.cpp
+++ b/shell/i.cpp
@@ -209,6 +209,9 @@ void _isc(Session &session, std::string vspace_name, bool sort,
     }
 
     if(!addresses.empty()) {
+        if(sort)
+            std::sort(&addresses[0], &addresses[addresses.size()]);
+
         for(uint32_t address: addresses) {
             int syscall = os->find_syscall(address);
             if(syscall == -1)