diff --git a/datafusion/functions-aggregate/src/min_max.rs b/datafusion/functions-aggregate/src/min_max.rs
index 7a9169e85d68..85b59bf18171 100644
--- a/datafusion/functions-aggregate/src/min_max.rs
+++ b/datafusion/functions-aggregate/src/min_max.rs
@@ -733,7 +733,7 @@ impl AggregateUDFImpl for Min {
     }
 
     fn name(&self) -> &str {
-        "min"
+        "MIN"
     }
 
     fn signature(&self) -> &Signature {