diff --git a/nemo-physical/src/function/definitions/string.rs b/nemo-physical/src/function/definitions/string.rs
index 9c73bade5..531dc0fd4 100644
--- a/nemo-physical/src/function/definitions/string.rs
+++ b/nemo-physical/src/function/definitions/string.rs
@@ -293,7 +293,9 @@ impl BinaryFunction for StringSubstring {
             return None;
         }
 
-        Some(AnyDataValue::new_plain_string(string[(start - 1)..].to_string()))
+        Some(AnyDataValue::new_plain_string(
+            string[(start - 1)..].to_string(),
+        ))
     }
 
     fn type_propagation(&self) -> FunctionTypePropagation {