diff --git a/mali_shrinker_mmap32.c b/mali_shrinker_mmap32.c
index b407cda..3fe5c14 100644
--- a/mali_shrinker_mmap32.c
+++ b/mali_shrinker_mmap32.c
@@ -885,7 +885,7 @@ int main() {
         fclose(frp);
         return 1;
       }
-      if (fputc(0x01, file) == EOF) {
+      if (fputc(0x01, frp) == EOF) {
         perror("Failed to fix byte. (7FFF8:0x01)");
         fclose(frp);
         return 1;