diff --git a/loader/stubs.s b/loader/stubs.s
index d2ca312594..6aa90ee9d4 100644
--- a/loader/stubs.s
+++ b/loader/stubs.s
@@ -22,3 +22,14 @@ unk_exp1:
 	xorl %eax,%eax
 	leave
 	ret
+.globl exp_EH_prolog
+exp_EH_prolog:
+	pushl $0xff
+	pushl %eax
+	pushl %fs:0
+	movl  %esp, %fs:0
+	movl  12(%esp), %eax
+	movl  %ebp, 12(%esp)
+	leal  12(%esp), %ebp
+	pushl %eax
+	ret