diff --git a/tests/bits/bitrev_test.c b/tests/bits/bitrev_test.c
index 08f0827..b96241c 100644
--- a/tests/bits/bitrev_test.c
+++ b/tests/bits/bitrev_test.c
@@ -297,7 +297,9 @@
 		sh_chk(in1, ARRAY_SIZE(in1), offs, true);
 		sh_chk(in1, ARRAY_SIZE(in1), offs, false);
 		sh_chk(in2, ARRAY_SIZE(in2), offs, true);
-		sh_chk(in2, ARRAY_SIZE(in2), offs, false);
+		/* in2 is too short to shift left 12 nibbles */
+		if (offs < 12)
+			sh_chk(in2, ARRAY_SIZE(in2), offs, false);
 	}
 	return 0;
 }
diff --git a/tests/bits/bitrev_test.ok b/tests/bits/bitrev_test.ok
index 9fbb4d9..e6f52af 100644
--- a/tests/bits/bitrev_test.ok
+++ b/tests/bits/bitrev_test.ok
@@ -156,5 +156,3 @@
      OUT: 00dcafedeadb
 [6] R IN: b00bbabeface, nibble 12:
      OUT: 0b00bbabefac
-[6] L IN: b00bbabeface, nibble 12:
-     OUT: 00bbabeface0