diff --git a/src/openttd.cpp b/src/openttd.cpp
index 32af16fb16..eb77989554 100644
--- a/src/openttd.cpp
+++ b/src/openttd.cpp
@@ -1091,7 +1091,7 @@ static void CheckCaches()
 {
 	/* Return here so it is easy to add checks that are run
 	 * always to aid testing of caches. */
-	if (_debug_desync_level > 1) return;
+	if (_debug_desync_level <= 1) return;
 
 	/* Strict checking of the road stop cache entries */
 	const RoadStop *rs;