diff --git a/build.symbian/pjsip_simple.mmp b/build.symbian/pjsip_simple.mmp
index 0ff7f16..f77c5b4 100644
--- a/build.symbian/pjsip_simple.mmp
+++ b/build.symbian/pjsip_simple.mmp
@@ -9,6 +9,8 @@
 MACRO		PJ_SYMBIAN=1
 
 OPTION		CW -lang c++
+OPTION		ARMCC --cpp
+OPTION		GCC	-x c++
 
 
 // PJSIP-SIMPLE files