diff --git a/main/message.c b/main/message.c
index fcdf705fe40f8f589c6c691814fc05b6a7b01028..ac7965ea73013c56b715aacd15a9822b2bef5eb9 100644
--- a/main/message.c
+++ b/main/message.c
@@ -1362,7 +1362,12 @@ int ast_msg_tech_register(const struct ast_msg_tech *tech)
 		return -1;
 	}
 
-	AST_VECTOR_APPEND(&msg_techs, tech);
+	if (AST_VECTOR_APPEND(&msg_techs, tech)) {
+		ast_log(LOG_ERROR, "Failed to register message technology for '%s'\n",
+		        tech->name);
+		ast_rwlock_unlock(&msg_techs_lock);
+		return -1;
+	}
 	ast_verb(3, "Message technology '%s' registered.\n", tech->name);
 
 	ast_rwlock_unlock(&msg_techs_lock);
@@ -1417,7 +1422,12 @@ int ast_msg_handler_register(const struct ast_msg_handler *handler)
 		return -1;
 	}
 
-	AST_VECTOR_APPEND(&msg_handlers, handler);
+	if (AST_VECTOR_APPEND(&msg_handlers, handler)) {
+		ast_log(LOG_ERROR, "Failed to register message handler for '%s'\n",
+		        handler->name);
+		ast_rwlock_unlock(&msg_handlers_lock);
+		return -1;
+	}
 	ast_verb(2, "Message handler '%s' registered.\n", handler->name);
 
 	ast_rwlock_unlock(&msg_handlers_lock);