diff --git a/pkg/fs/base.go b/pkg/fs/base.go
index 749749c55..6a7fdaa8a 100644
--- a/pkg/fs/base.go
+++ b/pkg/fs/base.go
@@ -29,7 +29,7 @@ func Base(fileName string, stripSequence bool) string {
 	}
 
 	// other common sequential naming schemes
-	if end := strings.Index(basename, " ("); end != -1 {
+	if end := strings.Index(basename, "("); end != -1 {
 		// copies created by Chrome & Windows, example: IMG_1234 (2)
 		basename = basename[:end]
 	} else if end := strings.Index(basename, " copy"); end != -1 {
@@ -37,6 +37,8 @@ func Base(fileName string, stripSequence bool) string {
 		basename = basename[:end]
 	}
 
+	basename = strings.TrimSpace(basename)
+
 	return basename
 }
 
diff --git a/pkg/fs/base_test.go b/pkg/fs/base_test.go
index 0ce086915..93e2ca6e0 100644
--- a/pkg/fs/base_test.go
+++ b/pkg/fs/base_test.go
@@ -67,6 +67,26 @@ func TestBase(t *testing.T) {
 		result := Base("/testdata/Test (3).jpg", false)
 		assert.Equal(t, "Test (3)", result)
 	})
+	t.Run("20180506_091537_DSC02122.JPG", func(t *testing.T) {
+		result := Base("20180506_091537_DSC02122.JPG", true)
+		assert.Equal(t, "20180506_091537_DSC02122", result)
+	})
+	t.Run("20180506_091537_DSC02122 (+3.3).JPG", func(t *testing.T) {
+		result := Base("20180506_091537_DSC02122 (+3.3).JPG", true)
+		assert.Equal(t, "20180506_091537_DSC02122", result)
+	})
+	t.Run("20180506_091537_DSC02122 (-2.7).JPG", func(t *testing.T) {
+		result := Base("20180506_091537_DSC02122 (-2.7).JPG", true)
+		assert.Equal(t, "20180506_091537_DSC02122", result)
+	})
+	t.Run("20180506_091537_DSC02122(+3.3).JPG", func(t *testing.T) {
+		result := Base("20180506_091537_DSC02122(+3.3).JPG", true)
+		assert.Equal(t, "20180506_091537_DSC02122", result)
+	})
+	t.Run("20180506_091537_DSC02122(-2.7).JPG", func(t *testing.T) {
+		result := Base("20180506_091537_DSC02122(-2.7).JPG", true)
+		assert.Equal(t, "20180506_091537_DSC02122", result)
+	})
 }
 
 func TestRelativeBase(t *testing.T) {