diff --git a/lab2/Makefile b/lab2/Makefile
index 4e354d7..48c8fe4 100644
--- a/lab2/Makefile
+++ b/lab2/Makefile
@@ -1,5 +1,6 @@
 CXX = g++
-CXXFLAGS = -g3 -Werror -Wall -Wpedantic -Wunused-variable -std=c++17
+CXXFLAGS = -Wall -Wextra -Wpedantic -Wshadow -Wnon-virtual-dtor -Wold-style-cast -Wcast-align -Wunused -Woverloaded-virtual -Wconversion -Wsign-conversion -Wnull-dereference -Wdouble-promotion -Wformat=2 -std=c++17
+#CXXFLAGS += -Werror
 
 SRC = $(wildcard *.cc)
 OBJ = $(SRC:.cc=.o)