diff --git a/rsfbclient-rust/src/wire.rs b/rsfbclient-rust/src/wire.rs
index 82fe731..5ad3033 100644
--- a/rsfbclient-rust/src/wire.rs
+++ b/rsfbclient-rust/src/wire.rs
@@ -646,7 +646,7 @@ pub fn parse_sql_response(
                 }
             }
 
-            ibase::SQL_BLOB if var.sqlsubtype == 0 || var.sqlsubtype == 1 => {
+            ibase::SQL_BLOB if var.sqlsubtype <= 1 => {
                 let id = resp.get_u64()?;
 
                 let null = read_null(resp, col_index)?;
diff --git a/rsfbclient-rust/src/xsqlda.rs b/rsfbclient-rust/src/xsqlda.rs
index a22f1f6..ffdffd8 100644
--- a/rsfbclient-rust/src/xsqlda.rs
+++ b/rsfbclient-rust/src/xsqlda.rs
@@ -96,7 +96,7 @@ impl XSqlVar {
                 self.sqltype = ibase::SQL_TIMESTAMP as i16 + 1;
             }
 
-            ibase::SQL_BLOB if (sqlsubtype <= 1) => {
+            ibase::SQL_BLOB if sqlsubtype <= 1 => {
                 self.sqltype = ibase::SQL_BLOB as i16 + 1;
             }