diff --git a/Makefile b/Makefile
index 4932522..7c9f5ec 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ CXX=	g++
 
 BIN = $(DESTDIR)/usr/bin
 # With pthreads
-override CXXFLAGS+= -DMAXHITS=1000 -DTHREAD -funroll-loops -Lsamtools -Isamtools -Lgzstream -Igzstream -O3 -m64 -march=native
+override CXXFLAGS+= -DMAXHITS=1000 -DTHREAD -funroll-loops -Lsamtools -Isamtools -Lgzstream -Igzstream -O3 -m64 -march=native -g
 # Without pthreads
 #override CXXFLAGS+= -DMAXHITS=1000 -funroll-loops -Lsamtools -Isamtools -Lgzstream -Igzstream -O3 -m64 -march=native