diff --git a/sys/kern/sysv_shm.c b/sys/kern/sysv_shm.c
index b2059991ebe..02f96e60c6a 100644
--- a/sys/kern/sysv_shm.c
+++ b/sys/kern/sysv_shm.c
@@ -957,7 +957,7 @@ shminit()
 
 	TUNABLE_INT_FETCH("kern.ipc.shmmaxpgs", &shminfo.shmall);
 	for (i = PAGE_SIZE; i > 0; i--) {
-		shminfo.shmmax = shminfo.shmall * PAGE_SIZE;
+		shminfo.shmmax = shminfo.shmall * i;
 		if (shminfo.shmmax >= shminfo.shmall)
 			break;
 	}