diff --git a/makefile b/makefile
index 72e9e49..7c214a0 100644
--- a/makefile
+++ b/makefile
@@ -1,6 +1,6 @@
 CC ?= gcc  # version?
 CXX ?= g++
-CPPFLAGS = -std=c++17 -Wall -Wextra -Wconversion -Werror -fno-rtti -fno-exceptions $(EXTRA_CPPFLAGS)
+CPPFLAGS = -std=c++17 -Wall -Wextra -Wconversion -Werror -fno-rtti -fno-exceptions $(EXTRA_CPPFLAGS) -g
 
 # Add new source files here.
 SRCS = lexer.cpp parser.cpp