diff --git a/sqlx-core/src/mssql/types/float.rs b/sqlx-core/src/mssql/types/float.rs
index 33c8a74ab6..a9ebd2f51b 100644
--- a/sqlx-core/src/mssql/types/float.rs
+++ b/sqlx-core/src/mssql/types/float.rs
@@ -13,7 +13,7 @@ impl Type<Mssql> for f32 {
     }
 
     fn compatible(ty: &MssqlTypeInfo) -> bool {
-        matches!(ty.0.ty, DataType::Real | DataType::FloatN) && ty.0.size == 4
+        <f64 as Type<Mssql>>::compatible(ty)
     }
 }
 
diff --git a/tests/docker-compose.yml b/tests/docker-compose.yml
index dce0770420..4ff9c8a525 100644
--- a/tests/docker-compose.yml
+++ b/tests/docker-compose.yml
@@ -220,9 +220,6 @@ services:
         environment:
             ACCEPT_EULA: "Y"
             SA_PASSWORD: Password123!
-            MSSQL_COLLATION: Chinese_PRC_CI_AS
-            LANG: zh_CN.UTF-8
-            LC_ALL: zh_CN.UTF-8
 
     #
     # IBM Db2