Index: src/x11/xwellengine.cxx
--- src/x11/xwellengine.cxx.orig
+++ src/x11/xwellengine.cxx
@@ -167,7 +167,7 @@ XWellEngine::~XWellEngine()
 /// tags XWellEngine
 void XWellEngine::init_mainwindow(int argc,char **argv)
 {
-  char *winname="X Welltris "VERSION;
+  char *winname="X Welltris " VERSION;
   XSetWindowAttributes xswa;
   XWindowAttributes xwinattr;
   XGCValues         gcv;
