diff --git a/coreapi/Makefile.am b/coreapi/Makefile.am
index 659a9f78e..fdcaefdcf 100644
--- a/coreapi/Makefile.am
+++ b/coreapi/Makefile.am
@@ -74,8 +74,8 @@ endif
 
 AM_CFLAGS=$(STRICT_OPTIONS)  -DIN_LINPHONE \
 	$(ORTP_CFLAGS) \
-	$(OSIP_CFLAGS) \
 	$(MEDIASTREAMER_CFLAGS) \
+	$(OSIP_CFLAGS) \
 	$(EXOSIP_CFLAGS) \
 	-DENABLE_TRACE 	\
 	-DLOG_DOMAIN=\"LinphoneCore\" \