diff --git a/src/wmfs.c b/src/wmfs.c
index 024815a..ea25fc7 100644
--- a/src/wmfs.c
+++ b/src/wmfs.c
@@ -598,7 +598,7 @@ main(int argc, char **argv)
                break;
 
                case 'C':
-                    strncpy(path, optarg, sizeof(W->confpath));
+                    strncpy(path, optarg, MAX_PATH_LEN);
                     break;
           }
      }