Index: uspace/lib/c/arch/amd64/src/entry.s
===================================================================
--- uspace/lib/c/arch/amd64/src/entry.s	(revision 47b70062180b321b58ca43746901c748ff7a6b2d)
+++ uspace/lib/c/arch/amd64/src/entry.s	(revision 205261f43889bacefc7f9533f7d8562779a303fb)
@@ -42,4 +42,5 @@
 	#
 	pushq $0
+	pushq $0
 	movq %rsp, %rbp