diff --git a/marker/processors/llm/llm_table_merge.py b/marker/processors/llm/llm_table_merge.py
index e2012998..af512bf6 100644
--- a/marker/processors/llm/llm_table_merge.py
+++ b/marker/processors/llm/llm_table_merge.py
@@ -114,6 +114,9 @@ class LLMTableMergeProcessor(BaseLLMProcessor):
 
     @staticmethod
     def get_row_count(cells: List[TableCell]):
+        if not cells:
+            return 0
+
         max_rows = None
         for col_id in set([cell.col_id for cell in cells]):
             col_cells = [cell for cell in cells if cell.col_id == col_id]
@@ -126,6 +129,9 @@ def get_row_count(cells: List[TableCell]):
 
     @staticmethod
     def get_column_count(cells: List[TableCell]):
+        if not cells:
+            return 0
+
         max_cols = None
         for row_id in set([cell.row_id for cell in cells]):
             row_cells = [cell for cell in cells if cell.row_id == row_id]