diff --git a/netwerk/srtp/src/moz.build b/netwerk/srtp/src/moz.build
index 3e871702f1..996d8c6017 100644
--- a/netwerk/srtp/src/moz.build
+++ b/netwerk/srtp/src/moz.build
@@ -4,7 +4,7 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-UNIFIED_SOURCES += [
+SOURCES += [
     'crypto/cipher/aes.c',
     'crypto/cipher/aes_cbc.c',
     'crypto/cipher/aes_icm.c',