diff --git a/Makefile b/Makefile
index 864e27b..ee688c5 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ CXX := $(CXX)
 CFLAGS := $(CFLAGS)
 CXXFLAGS := $(CXXFLAGS) -std=c++11
 LDFLAGS := $(LDFLAGS)
-WARNING_FLAGS := -Wall -Wshadow -Wsign-compare -Wextra
+WARNING_FLAGS := -Wall -Wshadow -Wsign-compare -Wextra -Wunreachable-code -Wuninitialized -Wshadow -Weffc++
 RELEASE_FLAGS := -O3 -DNDEBUG
 DEBUG_FLAGS := -O0 -DDEBUG -fno-inline-functions -fno-omit-frame-pointer