diff --git a/src/GvimExt/Make_ming.mak b/src/GvimExt/Make_ming.mak
index 2976ea05cf..a6ab3ae10e 100644
--- a/src/GvimExt/Make_ming.mak
+++ b/src/GvimExt/Make_ming.mak
@@ -43,6 +43,10 @@ else
 DEL = del
 endif
 endif
+# Set the default $(WINVER) to make it work with WinXP.
+ifndef WINVER
+WINVER = 0x0501
+endif
 CXX := $(CROSS_COMPILE)g++
 WINDRES := $(CROSS_COMPILE)windres
 WINDRES_CXX = $(CXX)
@@ -68,7 +72,7 @@ $(DLL): $(OBJ) $(RES) $(DEFFILE)
 			$(LIBS)
 
 gvimext.o: gvimext.cpp
-	$(CXX) $(CXXFLAGS) -DFEAT_GETTEXT -c $? -o $@
+	$(CXX) $(CXXFLAGS) -DFEAT_GETTEXT -DWINVER=$(WINVER) -D_WIN32_WINNT=$(WINVER) -c $? -o $@
 
 $(RES): gvimext_ming.rc
 	$(WINDRES) $(WINDRES_FLAGS) --input-format=rc --output-format=coff -DMING $? -o $@
diff --git a/src/version.c b/src/version.c
index 40690ec805..c4012e265e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1508,
 /**/
     1507,
 /**/