diff --git a/arch/um/sys-i386/bugs.c b/arch/um/sys-i386/bugs.c
index 0393e44..25c1165 100644
--- a/arch/um/sys-i386/bugs.c
+++ b/arch/um/sys-i386/bugs.c
@@ -162,7 +162,7 @@
 		host_has_xmm = have_it;
 }
 
-int arch_handle_signal(int sig, union uml_pt_regs *regs)
+int arch_handle_signal(int sig, struct uml_pt_regs *regs)
 {
 	unsigned char tmp[2];