diff --git a/KomplexHubPlugin/common/slidingcachecontroller.h b/KomplexHubPlugin/common/slidingcachecontroller.h
index aeeb6ed..88630be 100644
--- a/KomplexHubPlugin/common/slidingcachecontroller.h
+++ b/KomplexHubPlugin/common/slidingcachecontroller.h
@@ -98,7 +98,7 @@ public:
             return {};
         }
 
-        qsizetype internalIndex = internalIndex(index);
+        qsizetype internalIndex = this->internalIndex(index);
 
         if(!internalBoundaryCheck(index))
         {