diff --git a/main.py b/main.py
index d4e2828..8be102e 100644
--- a/main.py
+++ b/main.py
@@ -21,7 +21,7 @@ def main():
     # process all netlists
     for file in args.files:
         location = Path(file.name)
-        print(f"parsing {file.name}")
+        print("parsing {}".format(file.name))
 
         content = file.read()
 
@@ -62,7 +62,7 @@ def main():
     # do dryrun if it is wanted
     if args.d:
         for file in files:
-            print(f"copy {file} -> {files[file]}")
+            print("copy {} -> {}".format(file, files[file]))
 
         exit(0)
 
@@ -73,7 +73,7 @@ def main():
         dst = Path(files[file])
 
         if not src.exists():
-            print(f"src does not exist: {str(src)}")
+            print("src does not exist: {}".format(str(src));
             continue
 
         # create directory