diff --git a/main.c b/main.c
index f5e8101..90f3eb0 100644
--- a/main.c
+++ b/main.c
@@ -36,6 +36,8 @@ char* get_shorthand(unsigned long long int size) {
                 snprintf(buffer, 12, "%.2f KiB", (float) size / KiB);
                 return buffer;
         }
+
+        return 0;
 }
 
 unsigned long long int adjust_by_denomination(unsigned long long int size, char denomination) {