diff --git a/uncompyle6/scanner.py b/uncompyle6/scanner.py
index b0d3255e..7c93f468 100755
--- a/uncompyle6/scanner.py
+++ b/uncompyle6/scanner.py
@@ -119,7 +119,10 @@ class Scanner(object):
 
         # Offset: lineno pairs, only for offsets which start line.
         # Locally we use list for more convenient iteration using indices
-        linestarts = list(self.opc.findlinestarts(code_obj))
+        if self.version > 1.4:
+            linestarts = list(self.opc.findlinestarts(code_obj))
+        else:
+            linestarts = [[0, 1]]
         self.linestarts = dict(linestarts)
 
         # 'List-map' which shows line number of current op and offset of