diff --git a/arch/um/Makefile b/arch/um/Makefile
index e3465da..46a332f 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -196,7 +196,7 @@
 $(ARCH_DIR)/util: scripts_basic $(SYS_DIR)/sc.h FORCE
 	$(Q)$(MAKE) $(build)=$@
 
-$(ARCH_DIR)/kernel/skas/util: scripts_basic FORCE
+$(ARCH_DIR)/kernel/skas/util: scripts_basic $(ARCH_DIR)/user-offsets.h FORCE
 	$(Q)$(MAKE) $(build)=$@
 
 $(ARCH_DIR)/os-$(OS)/util: scripts_basic FORCE