diff --git a/CoreLib/ctype.cpp b/CoreLib/ctype.cpp
index 2c81ade..13e9cde 100644
--- a/CoreLib/ctype.cpp
+++ b/CoreLib/ctype.cpp
@@ -108,7 +108,7 @@ int isprint (int ch){
         return 1;
     if(isspace(ch))
         return 1;
-
+    return 0;
 }