diff --git a/build.symbian/null_audio.mmp b/build.symbian/null_audio.mmp
index ea935bb..de1dcbd 100644
--- a/build.symbian/null_audio.mmp
+++ b/build.symbian/null_audio.mmp
@@ -22,6 +22,7 @@
 SOURCEPATH	..\pjmedia\src\pjmedia
 
 OPTION		CW -lang c++
+OPTION          ARMCC --gnu
 
 MACRO		PJ_M_I386=1
 MACRO		PJ_SYMBIAN=1