diff --git a/kernel/sys.c b/kernel/sys.c
index dbb3b9c..e236f98 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1983,7 +1983,7 @@
 			error = current->mm->dumpable;
 			break;
 		case PR_SET_DUMPABLE:
-			if (arg2 < 0 || arg2 > 2) {
+			if (arg2 < 0 || arg2 > 1) {
 				error = -EINVAL;
 				break;
 			}