diff --git a/sys/kern/kern_intr.c b/sys/kern/kern_intr.c
index 72313b5e8430..a578084d28cd 100644
--- a/sys/kern/kern_intr.c
+++ b/sys/kern/kern_intr.c
@@ -1881,6 +1881,24 @@ SYSCTL_PROC(_hw, OID_AUTO, intrnames, CTLTYPE_OPAQUE | CTLFLAG_RD,
 static int
 sysctl_intrcnt(SYSCTL_HANDLER_ARGS)
 {
+#ifdef SCTL_MASK32
+	uint32_t *intrcnt32;
+	unsigned i;
+	int error;
+
+	if (req->flags & SCTL_MASK32) {
+		if (!req->oldptr)
+			return (sysctl_handle_opaque(oidp, NULL, sintrcnt / 2, req));
+		intrcnt32 = malloc(sintrcnt / 2, M_TEMP, M_NOWAIT);
+		if (intrcnt32 == NULL)
+			return (ENOMEM);
+		for (i = 0; i < sintrcnt / sizeof (u_long); i++)
+			intrcnt32[i] = intrcnt[i];
+		error = sysctl_handle_opaque(oidp, intrcnt32, sintrcnt / 2, req);
+		free(intrcnt32, M_TEMP);
+		return (error);
+	}
+#endif
 	return (sysctl_handle_opaque(oidp, intrcnt, sintrcnt, req));
 }