diff --git a/src/main/kotlin/com/looker/droidify/database/DAOs.kt b/src/main/kotlin/com/looker/droidify/database/DAOs.kt
index 8f313183..d05e0faa 100644
--- a/src/main/kotlin/com/looker/droidify/database/DAOs.kt
+++ b/src/main/kotlin/com/looker/droidify/database/DAOs.kt
@@ -135,8 +135,9 @@ interface ProductDao : BaseDao<Product> {
     ): SupportSQLiteQuery {
         val builder = QueryBuilder()
 
+        // TODO improve signature matching logic
         val signatureMatches = """$TABLE_INSTALLED.$ROW_SIGNATURE IS NOT NULL AND
-        $TABLE_PRODUCT.$ROW_SIGNATURES LIKE ('%.' || $TABLE_INSTALLED.$ROW_SIGNATURE || '.%') AND
+        $TABLE_PRODUCT.$ROW_SIGNATURES LIKE ('%' || $TABLE_INSTALLED.$ROW_SIGNATURE || '%') AND
         $TABLE_PRODUCT.$ROW_SIGNATURES != ''"""
 
         // Select the return fields