diff --git a/src/main/java/org/mariadb/jdbc/internal/com/read/resultset/SelectResultSet.java b/src/main/java/org/mariadb/jdbc/internal/com/read/resultset/SelectResultSet.java
index 7f0658164..7585b2296 100644
--- a/src/main/java/org/mariadb/jdbc/internal/com/read/resultset/SelectResultSet.java
+++ b/src/main/java/org/mariadb/jdbc/internal/com/read/resultset/SelectResultSet.java
@@ -3362,7 +3362,7 @@ private long parseBit() {
         long val = 0;
         int ind = 0;
         do {
-            val += (row.buf[row.pos + ind] & 0xff) << (8 * (row.length - ++ind));
+            val += ((long) (row.buf[row.pos + ind] & 0xff)) << (8 * (row.length - ++ind));
         } while (ind < row.length);
         return val;
     }