diff --git a/src/common/PaletteHandler.hxx b/src/common/PaletteHandler.hxx
index bd102d9f0..3de835d7d 100644
--- a/src/common/PaletteHandler.hxx
+++ b/src/common/PaletteHandler.hxx
@@ -125,8 +125,8 @@ class PaletteHandler
     /**
       Convert adjustables from/to 100% scale
     */
-    constexpr float scaleFrom100(float x) const { return (x / 50.F) - 1.F; }
-    constexpr uInt32 scaleTo100(float x) const { return uInt32(50 * (x + 1.F)); }
+    static constexpr float scaleFrom100(float x) { return (x / 50.F) - 1.F; }
+    static constexpr uInt32 scaleTo100(float x)  { return uInt32(50 * (x + 1.F)); }
 
     /**
       Convert palette settings name to enumeration.
diff --git a/src/common/Version.hxx b/src/common/Version.hxx
index e19349fae..2c770f57f 100644
--- a/src/common/Version.hxx
+++ b/src/common/Version.hxx
@@ -18,7 +18,7 @@
 #ifndef VERSION_HXX
 #define VERSION_HXX
 
-#define STELLA_VERSION "6.2"
+#define STELLA_VERSION "6.2.1_pre"
 #define STELLA_BUILD "6001"
 
 #endif