diff --git a/sys/amd64/amd64/support.S b/sys/amd64/amd64/support.S
index 2c0ddf12a17..f30fbcd7a48 100644
--- a/sys/amd64/amd64/support.S
+++ b/sys/amd64/amd64/support.S
@@ -45,7 +45,7 @@
 	ALIGN_DATA
 	.globl	intrcnt, eintrcnt
 intrcnt:
-	.space	INTRCNT_COUNT * 4
+	.space	INTRCNT_COUNT * 8
 eintrcnt:
 
 	.globl	intrnames, eintrnames