diff --git a/NEWS b/NEWS
index 744987aed6c..b93252d1444 100644
--- a/NEWS
+++ b/NEWS
@@ -21,6 +21,9 @@ PHP                                                                        NEWS
   . Fixed bug GH-13817 (Segmentation fault for enabled observers after pass 4).
     (Bob)
 
+- PDO_Firebird:
+  . Fix bogus fallthrough path in firebird_handle_get_attribute(). (nielsdos)
+
 - Soap:
   . Fixed bug #55639 (Digest autentication dont work). (nielsdos)
 
diff --git a/ext/pdo_firebird/firebird_driver.c b/ext/pdo_firebird/firebird_driver.c
index cbd7ee7cfd3..e570b684c5a 100644
--- a/ext/pdo_firebird/firebird_driver.c
+++ b/ext/pdo_firebird/firebird_driver.c
@@ -977,8 +977,7 @@ static int firebird_handle_get_attribute(pdo_dbh_t *dbh, zend_long attr, zval *v
 				ZVAL_STRING(val, tmp);
 				return 1;
 			}
-			/* TODO Check this is correct? */
-			ZEND_FALLTHROUGH;
+			return -1;
 
 		case PDO_ATTR_FETCH_TABLE_NAMES:
 			ZVAL_BOOL(val, H->fetch_table_names);