diff --git a/core/src/main/groovy/com/jdbernard/wdiwtlt/db/ORM.groovy b/core/src/main/groovy/com/jdbernard/wdiwtlt/db/ORM.groovy
index 319ba1f..a952131 100644
--- a/core/src/main/groovy/com/jdbernard/wdiwtlt/db/ORM.groovy
+++ b/core/src/main/groovy/com/jdbernard/wdiwtlt/db/ORM.groovy
@@ -825,9 +825,9 @@ public class ORM {
     public def untagMediaFiles(List<Integer> mediaFileIds,
     List<String> tagNames) {
 
-        withTranscation {
-            List<Tag> tags = tagNames.collect(getTagByName).findAll()
-            def tagPlaceholders = tags.collect { '?' }.join(', ')
+        withTransaction {
+            List<Tag> tags = tagNames.collect(this.&getTagByName).findAll()
+            def tagPlaceHolders = tags.collect { '?' }.join(', ')
             def tagIds = tags.collect { it.id }
 
             String deleteQuery = """