diff --git a/ext/mssql/php_mssql.c b/ext/mssql/php_mssql.c
index 57b4e6631b9..7e1b7a10be0 100644
--- a/ext/mssql/php_mssql.c
+++ b/ext/mssql/php_mssql.c
@@ -800,6 +800,15 @@ static void php_mssql_get_column_content_with_type(mssql_link *mssql_ptr,int off
 			Z_DVAL_P(result) = (double) floatcol8(offset);
 			Z_TYPE_P(result) = IS_DOUBLE;
 			break;
+#ifdef SQLUNIQUE
+		case SQLUNIQUE: {
+			char *data = charcol(offset);
+
+			/* uniqueidentifier is a 16-byte binary number */
+			ZVAL_STRINGL(result, data, 16, 1);
+			}
+			break;
+#endif
 		case SQLVARBINARY:
 		case SQLBINARY:
 		case SQLIMAGE: {
@@ -1468,6 +1477,11 @@ static char *php_mssql_get_field_name(int type)
 		case SQLIMAGE:
 			return "image";
 			break;
+#ifdef SQLUNIQUE
+		case SQLUNIQUE:
+			return "uniqueidentifier";
+			break;
+#endif
 		default:
 			return "unknown";
 			break;
diff --git a/ext/mssql/php_mssql.h b/ext/mssql/php_mssql.h
index 49b3b6c1638..c39ad5de71f 100644
--- a/ext/mssql/php_mssql.h
+++ b/ext/mssql/php_mssql.h
@@ -59,6 +59,9 @@
 #define SQLIMAGE SYBIMAGE
 #define SQLBINARY SYBBINARY
 #define SQLVARBINARY SYBVARBINARY
+#ifdef SQLUNIQUE /* FreeTSD 0.61+ */
+#define SQLUNIQUE SYBUNIQUE
+#endif
 #define DBERRHANDLE(a, b) dberrhandle(b)
 #define DBMSGHANDLE(a, b) dbmsghandle(b)
 #define DBSETOPT(a, b, c) dbsetopt(a, b, c, -1)