diff --git a/cli/data/commit.go b/cli/data/commit.go
index e926a2f..0f87428 100644
--- a/cli/data/commit.go
+++ b/cli/data/commit.go
@@ -66,7 +66,7 @@ func validatePath(path string) {
 	if err != nil {
 		exitErrorf("Source path %v not found", path)
 	}
-	if !fd.Mode().IsDir() {
+	if !fd.IsDir() {
 		exitErrorf("Source path %v must be a directory", path)
 	}
 }
diff --git a/cli/data/commit_test.go b/cli/data/commit_test.go
index 9be8b57..74c56d4 100644
--- a/cli/data/commit_test.go
+++ b/cli/data/commit_test.go
@@ -9,7 +9,7 @@ import (
 
 func TestFilesToKeys(t *testing.T) {
 	AppFs = afero.NewMemMapFs()
-	AppFs.MkdirAll("src/", 0755)
+	AppFs.MkdirAll("src/a", 0755)
 	afero.WriteFile(AppFs, "src/a/b", []byte("file c"), 0644)
 	afero.WriteFile(AppFs, "src/c", []byte("file c"), 0644)