diff --git a/src/.docker_modules/kb/0.26.0/fix_t2g.py b/src/.docker_modules/kb/0.26.0/fix_t2g.py
index 6535758b519ef55d2e4ca3debdf6d2b44cade874..a6b4619b5a17ad3fd4351918eb77c13b8c106f94 100644
--- a/src/.docker_modules/kb/0.26.0/fix_t2g.py
+++ b/src/.docker_modules/kb/0.26.0/fix_t2g.py
@@ -1,6 +1,7 @@
 #!/usr/local/bin/python
 import os
 import re
+import gzip
 import argparse
 
 
@@ -30,7 +31,7 @@ def get_t2g_line(line, t2g_re):
 
 
 def write_t2g_line(t2g, line, t2g_re):
-    results = t2g_line(line, t2g_re)
+    results = get_t2g_line(line, t2g_re)
     if results['transcript_id']:
         t2g.write(
             t2g_line(
@@ -51,7 +52,13 @@ if __name__ == "__main__":
     args = parser.parse_args()
     t2g_re = build_t2g_re()
 
-    with open(args.t2g, "r") as gtf:
-        with open("fix_t2g.txt", "w") as t2g:
-            for line in gtf:
-                write_t2g_line(t2g, str(line), t2g_re)
+    try:
+        with gzip.open(args.t2g, "rb") as gtf:
+            with open("fix_t2g.txt", "w") as t2g:
+                for line in gtf:
+                    write_t2g_line(t2g, str(line), t2g_re)
+    except gzip.BadGzipFile:
+        with open(args.t2g, "r") as gtf:
+            with open("fix_t2g.txt", "w") as t2g:
+                for line in gtf:
+                    write_t2g_line(t2g, str(line), t2g_re)
diff --git a/src/.docker_modules/kb/0.26.0/t2g.py b/src/.docker_modules/kb/0.26.0/t2g.py
index 02a4c30d770ca140418d40c367662de6af0ce32a..b99e74e6c2c3d9574ce54008bc58143c14b229a5 100755
--- a/src/.docker_modules/kb/0.26.0/t2g.py
+++ b/src/.docker_modules/kb/0.26.0/t2g.py
@@ -62,7 +62,14 @@ if __name__ == "__main__":
     gene_re = build_gene_re()
     transcript_re = build_transcript_re()
 
-    with gzip.open(args.gtf, "rb") as gtf:
-        with open("t2g_dup.txt", "w") as t2g:
-            for line in gtf:
-                write_t2g_line(t2g, str(line), transcript_re, gene_re)
\ No newline at end of file
+    try:
+        with gzip.open(args.gtf, "rb") as gtf:
+            with open("t2g_dup.txt", "w") as t2g:
+                for line in gtf:
+                    write_t2g_line(t2g, str(line), transcript_re, gene_re)
+    except gzip.BadGzipFile:
+        with open(args.gtf, "r") as gtf:
+            with open("t2g_dup.txt", "w") as t2g:
+                for line in gtf:
+                    write_t2g_line(t2g, str(line), transcript_re, gene_re)
+