diff --git a/apps/ta_dump.py b/apps/ta_dump.py
index 8d857ce..8388dba 100644
--- a/apps/ta_dump.py
+++ b/apps/ta_dump.py
@@ -399,7 +399,9 @@ def main():
         plot_iter += 1
         plot_dir = f"{data.run_id}-{data.file_index}_figures_{plot_iter:04}"
     print(f"Saving outputs to ./{plot_dir}/")
-    if not overwrite:  # Can only create new dirs.
+    # If overwriting and it does exist, don't need to make it.
+    # So take the inverse to mkdir.
+    if not (overwrite and os.path.isdir(plot_dir)):
         os.mkdir(plot_dir)
     os.chdir(plot_dir)
 
diff --git a/apps/tp_dump.py b/apps/tp_dump.py
index 01e67a8..ed6aa92 100644
--- a/apps/tp_dump.py
+++ b/apps/tp_dump.py
@@ -381,7 +381,9 @@ def main():
         plot_iter += 1
         plot_dir = f"{data.run_id}-{data.file_index}_figures_{plot_iter:04}"
     print(f"Saving outputs to ./{plot_dir}/")
-    if not overwrite:  # Can only create new dirs.
+    # If overwriting and it does exist, don't need to make it.
+    # So take the inverse to mkdir.
+    if not (overwrite and os.path.isdir(plot_dir)):
         os.mkdir(plot_dir)
     os.chdir(plot_dir)