diff --git a/climax/main/preprocess.py b/climax/main/preprocess.py
index b3b8f6b9a7d30bdd26e264d8b025d8d1c5fae7c0..f915e75e496374a70ce62cf04df654431a5cddfb 100644
--- a/climax/main/preprocess.py
+++ b/climax/main/preprocess.py
@@ -100,7 +100,7 @@ if __name__ == '__main__':
                 args.scenario)
 
             # check if output path exists
-            if not output_path.exist():
+            if not output_path.exists():
                 LOGGER.info('mkdir {}'.format(output_path))
                 output_path.mkdir(parents=True, exist_ok=True)
 
@@ -120,7 +120,7 @@ if __name__ == '__main__':
                     parts['Variable']).joinpath(parts['Scenario'])
 
                 # check if output path exists
-                if not output_path.exist():
+                if not output_path.exists():
                     LOGGER.info('mkdir {}'.format(output_path))
                     output_path.mkdir(parents=True, exist_ok=True)