diff --git a/t/t0001-init.sh b/t/t0001-init.sh
index eecff57628..36046a695c 100755
--- a/t/t0001-init.sh
+++ b/t/t0001-init.sh
@@ -360,7 +360,7 @@ test_expect_success SYMLINKS 're-init to move gitdir symlink' '
 # Tests for the hidden file attribute on windows
 is_hidden () {
 	# Use the output of `attrib`, ignore the absolute path
-	case "$(attrib "$1")" in *H*?:*) return 0;; esac
+	case "$("$SYSTEMROOT"/system32/attrib "$1")" in *H*?:*) return 0;; esac
 	return 1
 }
 
diff --git a/t/t5611-clone-config.sh b/t/t5611-clone-config.sh
index e4850b778c..353fd5471f 100755
--- a/t/t5611-clone-config.sh
+++ b/t/t5611-clone-config.sh
@@ -40,7 +40,7 @@ test_expect_success 'clone -c config is available during clone' '
 # Tests for the hidden file attribute on windows
 is_hidden () {
 	# Use the output of `attrib`, ignore the absolute path
-	case "$(attrib "$1")" in *H*?:*) return 0;; esac
+	case "$("$SYSTEMROOT"/system32/attrib "$1")" in *H*?:*) return 0;; esac
 	return 1
 }