diff --git a/dlls/Makedll.rules.in b/dlls/Makedll.rules.in
index fe777841da7..31621754fd8 100644
--- a/dlls/Makedll.rules.in
+++ b/dlls/Makedll.rules.in
@@ -32,7 +32,7 @@ all: $(MODULE)$(DLLEXT) $(SUBDIRS)
 # Rules for .so files
 
 $(MODULE).so: $(MAINSPEC) $(ALL_OBJS) Makefile.in
-	$(WINEGCC) -B$(TOOLSDIR)/tools/winebuild -shared $(SRCDIR)/$(MAINSPEC) $(ALL_OBJS) $(SUBSYSTEM:%=-Wb,--subsystem,%) $(BASEADDRESS:%=-Wl,--image-base,%) -o $@ $(DELAYIMPORTS:%=-l%) $(IMPORTS:%=-l%) $(DELAYIMPORTS:%=-Wb,-d%) $(ALL_LIBS)
+	$(WINEGCC) -B$(TOOLSDIR)/tools/winebuild -shared $(SRCDIR)/$(MAINSPEC) $(ALL_OBJS) $(SUBSYSTEM:%=-Wb,--subsystem,%) $(DLLFILENAME:%=-Wb,-F,%) $(BASEADDRESS:%=-Wl,--image-base,%) -o $@ $(DELAYIMPORTS:%=-l%) $(IMPORTS:%=-l%) $(DELAYIMPORTS:%=-Wb,-d%) $(ALL_LIBS)
 
 # Rules for .dll files
 
diff --git a/dlls/kernel32/Makefile.in b/dlls/kernel32/Makefile.in
index 09105be6615..7b0b4ccf919 100644
--- a/dlls/kernel32/Makefile.in
+++ b/dlls/kernel32/Makefile.in
@@ -7,6 +7,7 @@ MODULE    = kernel32.dll
 IMPORTLIB = libkernel32.$(IMPLIBEXT)
 IMPORTS   = ntdll
 EXTRALIBS = @COREFOUNDATIONLIB@ @LIBPOLL@
+DLLFILENAME = KERNEL32.dll
 BASEADDRESS = 0x7b800000
 
 SPEC_SRCS16 = \