diff --git a/Makefile b/Makefile
index a662d96a8d..c1fa08cecd 100644
--- a/Makefile
+++ b/Makefile
@@ -70,7 +70,7 @@ $(filter %-softmmu,$(SUBDIR_RULES)): libqemu_common.a
 
 $(filter %-user,$(SUBDIR_RULES)): libuser.a
 
-libuser.a:
+libuser.a: $(GENERATED_HEADERS)
 	$(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C libuser V="$(V)" TARGET_DIR="libuser/" all,)
 
 ROMSUBDIR_RULES=$(patsubst %,romsubdir-%, $(ROMS))