diff --git a/build.symbian/libsrtp.mmp b/build.symbian/libsrtp.mmp
index 11384d2..4309e6d 100644
--- a/build.symbian/libsrtp.mmp
+++ b/build.symbian/libsrtp.mmp
@@ -8,6 +8,7 @@
 // GCCE optimization setting
 //
 OPTION		GCCE -O2 -fno-unit-at-a-time
+OPTION          ARMCC --gnu
 
 //
 // Speex files