--- a/Makefile
+++ b/Makefile
@@ -71,9 +71,9 @@
 # Make Configuration
 #
 CC ?= gcc
-COMPILER_OPTIONS = -Wall -O -g
+COMPILER_OPTIONS = -Wall
 
-CFLAGS= $(COMPILER_OPTIONS) -I. -DVERSION=\"$(VERSION)\" $(OMIT_GETOPT_LONG) $(FILEOFFSET_64BIT)
+CFLAGS += $(COMPILER_OPTIONS) -I. -DVERSION=\"$(VERSION)\" $(OMIT_GETOPT_LONG) $(FILEOFFSET_64BIT)
 
 INSTALL_PROGRAM = $(INSTALL) -c -m 0755
 INSTALL_DATA    = $(INSTALL) -c -m 0644