diff --git a/source/shared/core_stmt.cpp b/source/shared/core_stmt.cpp
index 982a64b4..285764b1 100644
--- a/source/shared/core_stmt.cpp
+++ b/source/shared/core_stmt.cpp
@@ -384,7 +384,14 @@ void core_sqlsrv_bind_param( _Inout_ sqlsrv_stmt* stmt, _In_ SQLUSMALLINT param_
                 if( zval_was_null || zval_was_bool ) {
                     convert_to_long( param_z );
                 }
-                match = Z_TYPE_P( param_z ) == IS_LONG;
+                if( zval_was_long ){
+                    convert_to_string( param_z );
+                    encoding = SQLSRV_ENCODING_SYSTEM;
+                    match = Z_TYPE_P( param_z ) == IS_STRING;
+                }
+                else {
+                    match = Z_TYPE_P(param_z) == IS_LONG;
+                }
                 break;
             case SQLSRV_PHPTYPE_FLOAT:
                 if( zval_was_null ) {