diff --git a/levels.lua b/levels.lua
index 24eb741..a452102 100644
--- a/levels.lua
+++ b/levels.lua
@@ -3,6 +3,7 @@ to_write = ""
 current = 0
 for i = 0, 9999, 1 do
   file = io.open("../up-editor/screens/"..i..".scr")
+  file_content = nil
   if file then
     file_content = file:read()
     formated_file = ""
@@ -19,13 +20,14 @@ for i = 0, 9999, 1 do
     file:close()
     to_write = to_write.."    case "..i..":\n      memcpy(level, \""..
       formated_file.."\", "..#formated_file..");\n"
-    if string.find(file_content, 'c') then
+    if file_content and string.find(file_content, 'c') then
       to_write = to_write.."    *coin_id = "..current..";\n"
+      current = current + 1
     end
     to_write = to_write.."    break;\n"
-    current = current + 1
   end
 end
+to_write = to_write.."  }\n}\n"
 
 --finish and write
 to_write = [[#include "levels.h"
@@ -33,5 +35,5 @@ to_write = [[#include "levels.h"
 void set_level(int level_id, char level[], unsigned int *coin_id) {
   switch (level_id)
   {
-]]..to_write.."  }\n}\n"
+]]..to_write
 io.write(to_write)
diff --git a/platform.g3a b/platform.g3a
index 59d2f75..5b12d9a 100644
Binary files a/platform.g3a and b/platform.g3a differ
diff --git a/src/main.c b/src/main.c
index 35a6685..ef45036 100644
--- a/src/main.c
+++ b/src/main.c
@@ -16,7 +16,7 @@
 #define JUMP_SCALE 12
 #define JUMP_REDUCTION -0.41
 #define UG_CAN_JUMP upgrades[0]
-char coins[1];
+char coins[256];
 #define DRAW_LEVEL() draw_level(level, upgrades, coins[coin_id])
 
 void dupdate(); //gint function