diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 1f01ac65c0cd..cac070aee791 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -251,8 +251,8 @@ $(obj)/%.o: $(src)/%.c $(recordmcount_source) FORCE
 
 # To make this rule robust against "Argument list too long" error,
 # ensure to add $(obj)/ prefix by a shell command.
-cmd_mod = echo $(call real-search, $*.o, .o, -objs -y -m) | \
-	$(AWK) -v RS='( |\n)' '!x[$$0]++ { print("$(obj)/"$$0) }' > $@
+cmd_mod = printf '%s\n' $(call real-search, $*.o, .o, -objs -y -m) | \
+	$(AWK) '!x[$$0]++ { print("$(obj)/"$$0) }' > $@
 
 $(obj)/%.mod: FORCE
 	$(call if_changed,mod)