diff --git a/srcpkgs/firefox/template b/srcpkgs/firefox/template
index 66f7c26a8f8..e6431cddd35 100644
--- a/srcpkgs/firefox/template
+++ b/srcpkgs/firefox/template
@@ -85,11 +85,11 @@ do_build() {
 		;;
 	esac
 
-	# webrtc currently fails to build on 32-bit ppc...
-	case "$XBPS_TARGET_MACHINE" in
-	ppc64*) ;;
-	ppc*) echo "ac_add_options --disable-webrtc" >>.mozconfig ;;
-	esac
+	# third_party/libwebrtc/common_audio/wav_file.cc:93:2: error:
+	# #error "Need to convert samples to big-endian when reading from WAV file"
+	if [ "$XBPS_TARGET_ENDIAN" = "be" ]; then
+		echo "ac_add_options --disable-webrtc" >>.mozconfig
+	fi
 
 	if [ "$XBPS_TARGET_NO_ATOMIC8" ]; then
 		export LDFLAGS+=" -latomic"