diff --git a/dlls/kernel/Makefile.in b/dlls/kernel/Makefile.in
index 12a6a1f6295..6717a95dcf5 100644
--- a/dlls/kernel/Makefile.in
+++ b/dlls/kernel/Makefile.in
@@ -20,6 +20,7 @@ SPEC_SRCS16 = \
 	windebug.spec
 
 C_SRCS = \
+	$(TOPOBJDIR)/msdos/int21.c \
 	atom.c \
 	change.c \
 	comm.c \
diff --git a/dlls/ntdll/Makefile.in b/dlls/ntdll/Makefile.in
index a49bb2b052c..b89161fe39b 100644
--- a/dlls/ntdll/Makefile.in
+++ b/dlls/ntdll/Makefile.in
@@ -30,7 +30,6 @@ C_SRCS = \
 	$(TOPOBJDIR)/misc/version.c \
 	$(TOPOBJDIR)/msdos/dosmem.c \
 	$(TOPOBJDIR)/msdos/dpmi.c \
-	$(TOPOBJDIR)/msdos/int21.c \
 	$(TOPOBJDIR)/relay32/builtin32.c \
 	$(TOPOBJDIR)/relay32/relay386.c \
 	$(TOPOBJDIR)/relay32/snoop.c \