diff --git a/.hgtags b/.hgtags
index 32b284b2556a..21cc698f6b91 100644
--- a/.hgtags
+++ b/.hgtags
@@ -16,8 +16,8 @@ f197b51bbc29a30860e750ee87fd0a047a024f2e FIREFOX_3_1a2_RELEASE
 f197b51bbc29a30860e750ee87fd0a047a024f2e UPDATE_PACKAGING_R5
 f197b51bbc29a30860e750ee87fd0a047a024f2e -m
 f197b51bbc29a30860e750ee87fd0a047a024f2e Adding UPDATE_PACKAGING_R5 tag in order to make patcher work.
-15cb5d25db054d2d0b56869a2f6351388bfcddcd THUNDERBIRD_3_0b1_RELEASE
-15cb5d25db054d2d0b56869a2f6351388bfcddcd THUNDERBIRD_3_0b1_BUILD1
+15cb5d25db054d2d0b56869a2f6351388bfcddcd THUNDERBIRD_3_0a3_RELEASE
+15cb5d25db054d2d0b56869a2f6351388bfcddcd THUNDERBIRD_3_0a3_BUILD1
 0000000000000000000000000000000000000000 -m
 0000000000000000000000000000000000000000 Adding UPDATE_PACKAGING_R5 tag in order to make patcher work.
 f197b51bbc29a30860e750ee87fd0a047a024f2e UPDATE_PACKAGING_R6