diff --git a/lib/jkqtplotter/jkqtptools.cpp b/lib/jkqtplotter/jkqtptools.cpp
index b048b0759e9..3097b93b6fe 100644
--- a/lib/jkqtplotter/jkqtptools.cpp
+++ b/lib/jkqtplotter/jkqtptools.cpp
@@ -188,19 +188,19 @@ QString JKQTPKeyPosition2String(JKQTPKeyPosition pos) {
     }
 
     QString res;
-    if (pos.testFlag(JKQTPKeyInside)) res+=std::string(res.size()>0?"|":"")+"inside";
-    else if (pos.testFlag(JKQTPKeyOutsideTop)) res+=std::string(res.size()>0?"|":"")+"outside_top";
-    else if (pos.testFlag(JKQTPKeyOutsideBottom)) res+=std::string(res.size()>0?"|":"")+"outside_bottom";
-    else if (pos.testFlag(JKQTPKeyOutsideLeft)) res+=std::string(res.size()>0?"|":"")+"outside_left";
-    else if (pos.testFlag(JKQTPKeyOutsideRight)) res+=std::string(res.size()>0?"|":"")+"outside_right";
-
-    if (pos.testFlag(JKQTPKeyLeft)) res+=std::string(res.size()>0?"|":"")+"left";
-    else if (pos.testFlag(JKQTPKeyHCenter)) res+=std::string(res.size()>0?"|":"")+"hcenter";
-    else if (pos.testFlag(JKQTPKeyRight)) res+=std::string(res.size()>0?"|":"")+"right";
-
-    if (pos.testFlag(JKQTPKeyTop)) res+=std::string(res.size()>0?"|":"")+"top";
-    else if (pos.testFlag(JKQTPKeyVCenter)) res+=std::string(res.size()>0?"|":"")+"vcenter";
-    else if (pos.testFlag(JKQTPKeyBottom)) res+=std::string(res.size()>0?"|":"")+"bottom";
+    if (pos.testFlag(JKQTPKeyInside)) res+=QString(res.size()>0?"|":"")+"inside";
+    else if (pos.testFlag(JKQTPKeyOutsideTop)) res+=QString(res.size()>0?"|":"")+"outside_top";
+    else if (pos.testFlag(JKQTPKeyOutsideBottom)) res+=QString(res.size()>0?"|":"")+"outside_bottom";
+    else if (pos.testFlag(JKQTPKeyOutsideLeft)) res+=QString(res.size()>0?"|":"")+"outside_left";
+    else if (pos.testFlag(JKQTPKeyOutsideRight)) res+=QString(res.size()>0?"|":"")+"outside_right";
+
+    if (pos.testFlag(JKQTPKeyLeft)) res+=QString(res.size()>0?"|":"")+"left";
+    else if (pos.testFlag(JKQTPKeyHCenter)) res+=QString(res.size()>0?"|":"")+"hcenter";
+    else if (pos.testFlag(JKQTPKeyRight)) res+=QString(res.size()>0?"|":"")+"right";
+
+    if (pos.testFlag(JKQTPKeyTop)) res+=QString(res.size()>0?"|":"")+"top";
+    else if (pos.testFlag(JKQTPKeyVCenter)) res+=QString(res.size()>0?"|":"")+"vcenter";
+    else if (pos.testFlag(JKQTPKeyBottom)) res+=QString(res.size()>0?"|":"")+"bottom";
 
     return res;
 }
diff --git a/tools/jkqtplotter_doc_imagegenerator/jkqtplotter_doc_imagegenerator.cpp b/tools/jkqtplotter_doc_imagegenerator/jkqtplotter_doc_imagegenerator.cpp
index 7f93fcfafcc..918a151c8b6 100644
--- a/tools/jkqtplotter_doc_imagegenerator/jkqtplotter_doc_imagegenerator.cpp
+++ b/tools/jkqtplotter_doc_imagegenerator/jkqtplotter_doc_imagegenerator.cpp
@@ -603,19 +603,19 @@ inline QString JKQTPKeyPosition2CPPString(JKQTPKeyPosition pos) {
     }
 
     QString res;
-    if (pos.testFlag(JKQTPKeyInside)) res+=std::string(res.size()>0?"|":"")+"JKQTPKeyInside";
-    else if (pos.testFlag(JKQTPKeyOutsideTop)) res+=std::string(res.size()>0?"|":"")+"JKQTPKeyOutsideTop";
-    else if (pos.testFlag(JKQTPKeyOutsideBottom)) res+=std::string(res.size()>0?"|":"")+"JKQTPKeyOutsideBottom";
-    else if (pos.testFlag(JKQTPKeyOutsideLeft)) res+=std::string(res.size()>0?"|":"")+"JKQTPKeyOutsideLeft";
-    else if (pos.testFlag(JKQTPKeyOutsideRight)) res+=std::string(res.size()>0?"|":"")+"JKQTPKeyOutsideRight";
-
-    if (pos.testFlag(JKQTPKeyLeft)) res+=std::string(res.size()>0?"|":"")+"JKQTPKeyLeft";
-    else if (pos.testFlag(JKQTPKeyHCenter)) res+=std::string(res.size()>0?"|":"")+"JKQTPKeyHCenter";
-    else if (pos.testFlag(JKQTPKeyRight)) res+=std::string(res.size()>0?"|":"")+"JKQTPKeyRight";
-
-    if (pos.testFlag(JKQTPKeyTop)) res+=std::string(res.size()>0?"|":"")+"JKQTPKeyTop";
-    else if (pos.testFlag(JKQTPKeyVCenter)) res+=std::string(res.size()>0?"|":"")+"JKQTPKeyVCenter";
-    else if (pos.testFlag(JKQTPKeyBottom)) res+=std::string(res.size()>0?"|":"")+"JKQTPKeyBottom";
+    if (pos.testFlag(JKQTPKeyInside)) res+=QString(res.size()>0?"|":"")+"JKQTPKeyInside";
+    else if (pos.testFlag(JKQTPKeyOutsideTop)) res+=QString(res.size()>0?"|":"")+"JKQTPKeyOutsideTop";
+    else if (pos.testFlag(JKQTPKeyOutsideBottom)) res+=QString(res.size()>0?"|":"")+"JKQTPKeyOutsideBottom";
+    else if (pos.testFlag(JKQTPKeyOutsideLeft)) res+=QString(res.size()>0?"|":"")+"JKQTPKeyOutsideLeft";
+    else if (pos.testFlag(JKQTPKeyOutsideRight)) res+=QString(res.size()>0?"|":"")+"JKQTPKeyOutsideRight";
+
+    if (pos.testFlag(JKQTPKeyLeft)) res+=QString(res.size()>0?"|":"")+"JKQTPKeyLeft";
+    else if (pos.testFlag(JKQTPKeyHCenter)) res+=QString(res.size()>0?"|":"")+"JKQTPKeyHCenter";
+    else if (pos.testFlag(JKQTPKeyRight)) res+=QString(res.size()>0?"|":"")+"JKQTPKeyRight";
+
+    if (pos.testFlag(JKQTPKeyTop)) res+=QString(res.size()>0?"|":"")+"JKQTPKeyTop";
+    else if (pos.testFlag(JKQTPKeyVCenter)) res+=QString(res.size()>0?"|":"")+"JKQTPKeyVCenter";
+    else if (pos.testFlag(JKQTPKeyBottom)) res+=QString(res.size()>0?"|":"")+"JKQTPKeyBottom";
 
     return res;
     return "";