diff --git a/criu/shmem.c b/criu/shmem.c
index 31261d4c4..ecbafe6a9 100644
--- a/criu/shmem.c
+++ b/criu/shmem.c
@@ -191,7 +191,7 @@ static int open_shmem_sysv(int pid, struct vma_area *vma)
 	}
 
 	if (si->pid != SYSVIPC_SHMEM_PID) {
-		pr_err("SysV shmem vma %lx points to anon vma %lx\n",
+		pr_err("SysV shmem vma 0x%"PRIx64" points to anon vma %lx\n",
 				vme->start, si->shmid);
 		return -1;
 	}