diff --git a/webrtc/build/common.gypi b/webrtc/build/common.gypi
index b420b09f2a..a3fc14a9f1 100644
--- a/webrtc/build/common.gypi
+++ b/webrtc/build/common.gypi
@@ -236,20 +236,22 @@
           'WEBRTC_CLOCK_TYPE_REALTIME',
           'WEBRTC_THREAD_RR',
          ],
-         # The Android NDK doesn't provide optimized versions of these
-         # functions. Ensure they are disabled for all compilers.
-         'cflags': [
-           '-fno-builtin-cos',
-           '-fno-builtin-sin',
-           '-fno-builtin-cosf',
-           '-fno-builtin-sinf',
-         ],
          'conditions': [
            ['enable_android_opensl==1', {
              'defines': [
                'WEBRTC_ANDROID_OPENSLES',
              ],
            }],
+           ['clang!=1', {
+             # The Android NDK doesn't provide optimized versions of these
+             # functions. Ensure they are disabled for all compilers.
+             'cflags': [
+               '-fno-builtin-cos',
+               '-fno-builtin-sin',
+               '-fno-builtin-cosf',
+               '-fno-builtin-sinf',
+             ],
+           }],
          ],
       }],
     ], # conditions