diff --git a/ext/odbc/php_odbc.c b/ext/odbc/php_odbc.c
index 37a207e6247..35da5a48a2f 100644
--- a/ext/odbc/php_odbc.c
+++ b/ext/odbc/php_odbc.c
@@ -956,6 +956,7 @@ int odbc_bindcols(odbc_result *result)
 
 		rc = PHP_ODBC_SQLCOLATTRIBUTE(result->stmt, (SQLUSMALLINT)(i+1), PHP_ODBC_SQL_DESC_NAME,
 				result->values[i].name, sizeof(result->values[i].name), &colnamelen, 0);
+		result->values[i].coltype = 0;
 		rc = PHP_ODBC_SQLCOLATTRIBUTE(result->stmt, (SQLUSMALLINT)(i+1), SQL_COLUMN_TYPE,
 				NULL, 0, NULL, &result->values[i].coltype);