diff --git a/test/Makefile.am b/test/Makefile.am
index 63a30225..ac354c07 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -10,6 +10,7 @@ playmidi1_LDADD=../src/libasound.la
 timer_LDADD=../src/libasound.la
 rawmidi_LDADD=../src/libasound.la
 midiloop_LDADD=../src/libasound.la
+code_CFLAGS=-Wall -pipe -g -O2
 
 INCLUDES=-I$(top_srcdir)/include
 CFLAGS=-static -Wall -pipe -g