diff --git a/codecs/Makefile b/codecs/Makefile
index 61d9f1c3a797e975b014669d007462be8214b953..31c67dfc2996a03d72c9dcfcfa641dfb6b06095e 100755
--- a/codecs/Makefile
+++ b/codecs/Makefile
@@ -19,11 +19,12 @@
 #MODG723=codec_g723_1.so codec_g723_1b.so
 MODG723=$(shell [ -f g723.1/coder.c ] && echo "codec_g723_1.so")
 MODG723+=$(shell [ -f g723.1b/coder2.c ] && echo "codec_g723_1b.so")
-MODSPEEX=$(shell [ -f /usr/include/speex.h ] || [ -f /usr/local/include/speex.h ] || [ -f /usr/local/include/speex/speex.h ] && echo "codec_speex.so")
+MODSPEEX=$(shell [ -f /usr/include/speex.h ] || [ -f /usr/include/speex/speex.h ] || [ -f /usr/local/include/speex.h ] || [ -f /usr/local/include/speex/speex.h ] && echo "codec_speex.so")
 MODILBC=$(shell [ -f ilbc/iLBC_decode.h ] && echo "codec_ilbc.so")
 CFLAGS+=-fPIC
 CFLAGS+=$(shell [ -f /usr/local/include/speex.h ] && echo "-I/usr/local/include")
 CFLAGS+=$(shell [ -f /usr/local/include/speex/speex.h ] && echo "-I/usr/local/include/speex")
+CFLAGS+=$(shell [ -f /usr/include/speex/speex.h ] && echo "-I/usr/include/speex")
 
 LIBG723=g723.1/libg723.a
 LIBG723B=g723.1b/libg723b.a