diff --git a/distrib/msw/tmake/b32.t b/distrib/msw/tmake/b32.t
index c440ca3f79..e7a344a00b 100644
--- a/distrib/msw/tmake/b32.t
+++ b/distrib/msw/tmake/b32.t
@@ -261,7 +261,7 @@ nul
 $(PERIPH_LIBS) $(LIBS)
 wxb32
 !
-        implib -c $(LIBTARGET) $(WXDLL)
+        implib -c -f $(LIBTARGET) $(WXDLL)
 !endif
 
 dummy.obj: dummy.$(SRCSUFF) $(LOCALHEADERS) $(BASEHEADERS) $(WXDIR)\include\wx\wx.h
diff --git a/src/msw/makefile.b32 b/src/msw/makefile.b32
index cc3ec484f7..5259e0a173 100644
--- a/src/msw/makefile.b32
+++ b/src/msw/makefile.b32
@@ -556,7 +556,7 @@ nul
 $(PERIPH_LIBS) $(LIBS)
 wxb32
 !
-        implib -c $(LIBTARGET) $(WXDLL)
+        implib -c -f $(LIBTARGET) $(WXDLL)
 !endif
 
 dummy.obj: dummy.$(SRCSUFF) $(LOCALHEADERS) $(BASEHEADERS) $(WXDIR)\include\wx\wx.h