diff --git a/arch/um/Makefile b/arch/um/Makefile
index df492d8..642c75e 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -206,7 +206,7 @@
 
 $(ARCH_DIR)/kernel/skas/util/mk_ptregs: $(ARCH_DIR)/kernel/skas/util FORCE ;
 
-$(ARCH_DIR)/util: scripts_basic $(SYS_DIR)/sc.h FORCE
+$(ARCH_DIR)/util: scripts_basic $(SYS_DIR)/sc.h $(ARCH_DIR)/kernel-offsets.h FORCE
 	$(Q)$(MAKE) $(build)=$@
 
 $(ARCH_DIR)/kernel/skas/util: scripts_basic $(ARCH_DIR)/user-offsets.h FORCE