diff --git a/cache.go b/cache.go
index b5ad880..ac2902d 100644
--- a/cache.go
+++ b/cache.go
@@ -162,7 +162,7 @@ func (rc *ResultsCache) keyToString(key CacheKey) string {
 
 // checkAndCleanCache removes items if memory usage exceeds the limit.
 func (rc *ResultsCache) checkAndCleanCache() {
-	for rc.currentMemoryUsage() > config.RamCache.MaxUsageBytes {
+	if rc.currentMemoryUsage() > config.RamCache.MaxUsageBytes {
 		rc.cleanOldestItems()
 	}
 }