diff --git a/t/t2402-worktree-list.sh b/t/t2402-worktree-list.sh
index e0c6abd2f5..93f92e854a 100755
--- a/t/t2402-worktree-list.sh
+++ b/t/t2402-worktree-list.sh
@@ -144,7 +144,7 @@ test_expect_success '"list" all worktrees with prunable annotation' '
 	rm -rf prunable &&
 	git worktree list >out &&
 	grep "/prunable  *[0-9a-f].* prunable$" out &&
-	! grep "/unprunable  *[0-9a-f].* prunable$"
+	! grep "/unprunable  *[0-9a-f].* prunable$" out
 '
 
 test_expect_success '"list" all worktrees --porcelain with prunable' '
diff --git a/t/t7507-commit-verbose.sh b/t/t7507-commit-verbose.sh
index b53d71c086..acdb6b1455 100755
--- a/t/t7507-commit-verbose.sh
+++ b/t/t7507-commit-verbose.sh
@@ -163,7 +163,7 @@ done
 
 test_expect_success "status ignores commit.verbose=true" '
 	git -c commit.verbose=true status >actual &&
-	! grep "^diff --git actual"
+	! grep "^diff --git" actual
 '
 
 test_done
diff --git a/t/t7700-repack.sh b/t/t7700-repack.sh
index 63ef63fc50..c6ff3aed30 100755
--- a/t/t7700-repack.sh
+++ b/t/t7700-repack.sh
@@ -194,7 +194,7 @@ test_expect_success 'local packed unreachable obs that exist in alternate ODB ar
 	rm -f .git/objects/pack/* &&
 	mv pack-* .git/objects/pack/ &&
 	git verify-pack -v -- .git/objects/pack/*.idx >packlist &&
-	! grep "^$coid " &&
+	! grep "^$coid " packlist &&
 	echo >.git/objects/info/alternates &&
 	test_must_fail git show $coid
 '