1 files changed, 1 insertions, 1 deletions
diff --git a/String.h b/String.h
index 3a348c2a..8f0b50b5 100644
--- a/String.h
+++ b/String.h
@@ -39,7 +39,7 @@ void String_printInt(int i);
 
 void String_printPointer(void* p);
 
-inline int String_eq(char* s1, char* s2);
+inline int String_eq(const char* s1, const char* s2);
 
 char** String_split(char* s, char sep);