diff --git a/src/Makefile.cfg b/src/Makefile.cfg
index 5248dbdf..b839b5ea 100644
--- a/src/Makefile.cfg
+++ b/src/Makefile.cfg
@@ -54,7 +54,10 @@ ifeq   (,$(filter GCC%,$(.VARIABLES)))
  version:=$(shell $(CC) --version)
  # check if this is in fact GCC
  ifneq (,$(or $(findstring gcc,$(version)),$(findstring GCC,$(version))))
-  version:=$(shell $(CC) -dumpversion)
+  shellversion:=$(shell $(CC) -dumpversion)
+
+  # Try to remove "-win32"
+  version:=$(subst -win32,.0,$(shellversion))
 
   # Turn version into words of major, minor
   v:=$(subst ., ,$(version))