diff --git a/relocator/Makefile b/relocator/Makefile
index d44ad5b..f8d28fb 100644
--- a/relocator/Makefile
+++ b/relocator/Makefile
@@ -169,6 +169,11 @@ $(OUTPUT).elf:  $(OFILES)
 	@echo $(notdir $<)
 	@$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d -x assembler-with-cpp $(ASFLAGS) -c $< -o $@ $(ERROR_FILTER)
 
+#---------------------------------------------------------------------------------
+%.o: %.S
+	@echo $(notdir $<)
+	@$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d -x assembler-with-cpp $(ASFLAGS) -c $< -o $@ $(ERROR_FILTER)
+
 #---------------------------------------------------------------------------------
 %.png.o : %.png
 	@echo $(notdir $<)