diff --git a/src/lib/parquet/src/Flow/Parquet/ParquetFile/RowGroupBuilder/ColumnChunkStatistics.php b/src/lib/parquet/src/Flow/Parquet/ParquetFile/RowGroupBuilder/ColumnChunkStatistics.php
index d3d57c2b1..f07c5627f 100644
--- a/src/lib/parquet/src/Flow/Parquet/ParquetFile/RowGroupBuilder/ColumnChunkStatistics.php
+++ b/src/lib/parquet/src/Flow/Parquet/ParquetFile/RowGroupBuilder/ColumnChunkStatistics.php
@@ -78,6 +78,10 @@ public function distinctCount() : int
 
     public function notNullCount() : int
     {
+        if (0 === $this->nullCount && 0 === $this->valuesCount) {
+            return 1;
+        }
+
         return $this->valuesCount - $this->nullCount;
     }