diff --git a/source/framework/core/inc/TRestAnalysisPlot.h b/source/framework/core/inc/TRestAnalysisPlot.h
index fb5fdab77..0a40200cb 100644
--- a/source/framework/core/inc/TRestAnalysisPlot.h
+++ b/source/framework/core/inc/TRestAnalysisPlot.h
@@ -71,7 +71,7 @@ class TRestAnalysisPlot : public TRestMetadata {
         std::string title;
 
         Double_t normalize;
-        string scale;
+        std::string scale;
         Bool_t logX;
         Bool_t logY;
         Bool_t logZ;