diff --git a/arch/x86/um/Makefile b/arch/x86/um/Makefile
index df41989..ffe1008 100644
--- a/arch/x86/um/Makefile
+++ b/arch/x86/um/Makefile
@@ -9,7 +9,7 @@
 endif
 
 obj-y = bug.o bugs_$(BITS).o delay_$(BITS).o fault.o ksyms.o ldt.o \
-	ptrace_$(BITS).o ptrace_user.o setjmp_$(BITS).o signal_$(BITS).o \
+	ptrace_$(BITS).o ptrace_user.o setjmp_$(BITS).o signal.o \
 	stub_$(BITS).o stub_segv.o syscalls_$(BITS).o \
 	sys_call_table_$(BITS).o sysrq_$(BITS).o tls_$(BITS).o \
 	mem_$(BITS).o subarch.o os-$(OS)/