1 files changed, 5 insertions, 1 deletions
diff --git a/core/vmap.h b/core/vmap.h
index f0977341ec..8165a919b6 100644
--- a/core/vmap.h
+++ b/core/vmap.h
@@ -60,9 +60,13 @@ class VMap {
 
 		int low = 0;
 		int high = _data.size() - 1;
-		int middle;
 		const _Pair *a = &_data[0];
+		int middle = 0;
 
+#if DEBUG_ENABLED
+		if (low > high)
+			ERR_PRINT("low > high, this may be a bug");
+#endif
 		while (low <= high) {
 			middle = (low + high) / 2;