diff --git a/README.md b/README.md
index 38254d5..ef843b6 100644
--- a/README.md
+++ b/README.md
@@ -14,5 +14,8 @@ You can find the finetune solution spercific [Finetune README](README_finetune.m
 
 ## Change history
 
-* 12/21 (v9.7) update:
+* 12/21 (v18.6.1) update:
+    - fix issue with dataset balancing when the number of detected images in the folder is 0
+
+* 12/21 (v18.6) update:
     - add optional GUI authentication support via: `python fine_tune.py --username=<name> --password=<password>`
\ No newline at end of file
diff --git a/library/dataset_balancing_gui.py b/library/dataset_balancing_gui.py
index d109cfb..867c881 100644
--- a/library/dataset_balancing_gui.py
+++ b/library/dataset_balancing_gui.py
@@ -50,12 +50,16 @@ def dataset_balancing(concept_repeats, folder, insecure):
             match = re.match(r'^\{(\d+\.?\d*)\}', subdir)
             if match:
                 # Multiply the repeats value by the number inside the braces
-                repeats = max(
-                    1, round(concept_repeats / images * float(match.group(1)))
-                )
+                if not images == 0:
+                    repeats = max(1, round(concept_repeats / images * float(match.group(1))))
+                else:
+                    repeats = 0
                 subdir = subdir[match.end() :]
             else:
-                repeats = max(1, round(concept_repeats / images))
+                if not images == 0:
+                    repeats = max(1, round(concept_repeats / images))
+                else:
+                    repeats = 0
 
             # Check if the subdirectory name already has a number at the beginning
             match = re.match(r'^\d+_', subdir)