diff --git a/Makefile b/Makefile
index aa08161..e9220e2 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ SRC=src/DwarfInterpret.cpp src/MemoryMap.cpp
 INCLUDE_DIR=include
 
 CXX=g++
-CXXFLAGS=-Wall -Wextra -O2 --std=c++14
+CXXFLAGS=-Wall -Wextra -O1 -g --std=c++14
 CXXLIBS=-ldwarfpp -ldwarf -lelf -lc++fileno
 CXXINCLUDE=-I$(INCLUDE_DIR)