diff --git a/visualc/src/include/ngspice/config.h b/visualc/src/include/ngspice/config.h
index 0cb58baba..fd1bbc7cb 100644
--- a/visualc/src/include/ngspice/config.h
+++ b/visualc/src/include/ngspice/config.h
@@ -449,7 +449,7 @@
 #define PACKAGE "ngspice"
 
 /* Version number of package */
-#define VERSION "33" //" Built on " __DATE__ " at " __TIME__
+#define VERSION "33+" //" Built on " __DATE__ " at " __TIME__
 
 /* Define to the address where bug reports for this package should be sent. */
 #define PACKAGE_BUGREPORT "http://ngspice.sourceforge.net/bugrep.html"