diff --git a/main.go b/main.go
index e741541..699de0a 100644
--- a/main.go
+++ b/main.go
@@ -614,7 +614,7 @@ func stripExts(file string) string {
 		if filepath.Ext(file) == "" {
 			break
 		}
-		file = strings.Trim(file, filepath.Ext(file))
+		file = strings.TrimSuffix(file, filepath.Ext(file))
 	}
 	return file
 }
diff --git a/main_test.go b/main_test.go
index aa3a6ec..27775fc 100644
--- a/main_test.go
+++ b/main_test.go
@@ -15,6 +15,7 @@ func TestStripExts(t *testing.T) {
 		{"file.tar.gz.xz.zip", "file"},
 		{"another_file", "another_file"},
 		{"a.b.c.d.e.f.g.h.i", "a"},
+		{"virtio_blk.ko", "virtio_blk"},
 	}
 	for _, table := range tables {
 		out := stripExts(table.in)