diff --git a/library/mysql_db b/library/mysql_db
index e660be73021..42150370506 100644
--- a/library/mysql_db
+++ b/library/mysql_db
@@ -182,7 +182,7 @@ def main():
 
     if state in ['dump','import']:
         if target is None:
-            module.fail_json(msg="with state={0} target is required".format(state))
+            module.fail_json(msg="with state=%s target is required" % (state))
         connect_to_db = db
     else:
         connect_to_db = 'mysql'
diff --git a/library/user b/library/user
index 1e7929d0f44..34d7ef17bfa 100644
--- a/library/user
+++ b/library/user
@@ -718,7 +718,7 @@ class SunOS(User):
                         continue
                     fields[1] = self.password
                     line = ':'.join(fields)
-                    lines.append('{0}\n'.format(line))
+                    lines.append('%s\n' % line)
                 open(self.SHADOWFILE, 'w+').writelines(lines)        
             except Exception, err:
                 self.module.fail_json(msg="failed to update users password: %s" % str(err))
@@ -800,7 +800,7 @@ class SunOS(User):
                         continue
                     fields[1] = self.password
                     line = ':'.join(fields)
-                    lines.append('{0}\n'.format(line))
+                    lines.append('%s\n' % line)
                 open(self.SHADOWFILE, 'w+').writelines(lines)        
                 rc = 0
             except Exception, err: