diff --git a/ext/soap/soap.c b/ext/soap/soap.c
index b21273e2973..12b9dd28614 100644
--- a/ext/soap/soap.c
+++ b/ext/soap/soap.c
@@ -550,9 +550,7 @@ static void php_soap_prepare_globals()
 			}
 		}
 		/* Index everything by number */
-		if (!zend_hash_index_exists(&defEncIndex, defaultEncoding[i].details.type)) {
-			zend_hash_index_update_ptr(&defEncIndex, defaultEncoding[i].details.type, (void*)enc);
-		}
+		zend_hash_index_add_ptr(&defEncIndex, defaultEncoding[i].details.type, (void*)enc);
 		i++;
 	} while (defaultEncoding[i].details.type != END_KNOWN_TYPES);