diff --git a/datafusion/core/src/datasource/file_format/csv.rs b/datafusion/core/src/datasource/file_format/csv.rs
index e821fa806fcef..f235c3b628a0d 100644
--- a/datafusion/core/src/datasource/file_format/csv.rs
+++ b/datafusion/core/src/datasource/file_format/csv.rs
@@ -771,7 +771,7 @@ mod tests {
                 "c7: Int64",
                 "c8: Int64",
                 "c9: Int64",
-                "c10: Int64",
+                "c10: Utf8",
                 "c11: Float64",
                 "c12: Float64",
                 "c13: Utf8"
@@ -907,7 +907,7 @@ mod tests {
             Field::new("c7", DataType::Int64, true),
             Field::new("c8", DataType::Int64, true),
             Field::new("c9", DataType::Int64, true),
-            Field::new("c10", DataType::Int64, true),
+            Field::new("c10", DataType::Utf8, true),
             Field::new("c11", DataType::Float64, true),
             Field::new("c12", DataType::Float64, true),
             Field::new("c13", DataType::Utf8, true),