diff --git a/src/common/function/src/scalars/geo/geohash.rs b/src/common/function/src/scalars/geo/geohash.rs
index b61ed536c2..fb39b46634 100644
--- a/src/common/function/src/scalars/geo/geohash.rs
+++ b/src/common/function/src/scalars/geo/geohash.rs
@@ -90,7 +90,7 @@ impl Function for GeohashFunction {
                     let encoded = geohash::encode(coord, r as usize)
                         .map_err(|e| {
                             BoxedError::new(PlainError::new(
-                                format!("Geohash error: {}", e.to_string()),
+                                format!("Geohash error: {}", e),
                                 StatusCode::EngineExecuteQuery,
                             ))
                         })
diff --git a/src/common/function/src/scalars/geo/h3.rs b/src/common/function/src/scalars/geo/h3.rs
index aa918e0723..7b58150079 100644
--- a/src/common/function/src/scalars/geo/h3.rs
+++ b/src/common/function/src/scalars/geo/h3.rs
@@ -89,7 +89,7 @@ impl Function for H3Function {
                     let coord = LatLng::new(lat, lon)
                         .map_err(|e| {
                             BoxedError::new(PlainError::new(
-                                format!("H3 error: {}", e.to_string()),
+                                format!("H3 error: {}", e),
                                 StatusCode::EngineExecuteQuery,
                             ))
                         })
@@ -97,7 +97,7 @@ impl Function for H3Function {
                     let r = Resolution::try_from(r as u8)
                         .map_err(|e| {
                             BoxedError::new(PlainError::new(
-                                format!("H3 error: {}", e.to_string()),
+                                format!("H3 error: {}", e),
                                 StatusCode::EngineExecuteQuery,
                             ))
                         })