diff --git a/src/Mod/Sketcher/Gui/Command.cpp b/src/Mod/Sketcher/Gui/Command.cpp
index 0cecb39bd2..15d5731413 100644
--- a/src/Mod/Sketcher/Gui/Command.cpp
+++ b/src/Mod/Sketcher/Gui/Command.cpp
@@ -1327,7 +1327,7 @@ private:
     CmdSketcherSnap& operator= (const CmdSketcherSnap&) = delete;
     CmdSketcherSnap& operator= (CmdSketcherSnap&&) = delete;
 
-    bool snapEnabled;
+    bool snapEnabled = true;
 };
 
 CmdSketcherSnap::CmdSketcherSnap()