fixed tag issue

1 files changed, 4 insertions, 4 deletions

diff --git a/lib/pb/generate.py b/lib/pb/generate.py
index 11df3b0..ba7b03a 100755
--- a/lib/pb/generate.py
+++ b/lib/pb/generate.py
@@ -106,11 +106,11 @@ class PbGenerate(Pb):
 
         """Used for the database tag column. Allows for tracking of the type
         of overlay method used."""
-        self.tag = _DEFAULT_TAG
-        if self.params.background:
-            self.tag = self.params.compose
+        self._tag = _DEFAULT_TAG
         if self.params.transparent:
-            self.tag = self.params.transparent
+            self._tag = str(self.params.transparent)
+        if self.params.background:
+            self._tag = str(self.params.compose)
 
         self.filename, self.filepath = self._filename_filepath_create(
             url=self.params.url['url'], extension=self.params.format