diff --git a/arch/x86/include/asm/setjmp.h b/arch/x86/include/asm/setjmp.h
index 49c36c1..15915d0 100644
--- a/arch/x86/include/asm/setjmp.h
+++ b/arch/x86/include/asm/setjmp.h
@@ -34,7 +34,9 @@
 
 #endif
 
-int setjmp(struct jmp_buf_data *jmp_buf);
-void longjmp(struct jmp_buf_data *jmp_buf, int val);
+typedef struct jmp_buf_data jmp_buf[1];
+
+int setjmp(jmp_buf env);
+void longjmp(jmp_buf env, int val);
 
 #endif