diff --git a/modules/PCM16B.target.linux-arm.mk b/modules/PCM16B.target.linux-arm.mk
index ff4d859..f938d93 100644
--- a/modules/PCM16B.target.linux-arm.mk
+++ b/modules/PCM16B.target.linux-arm.mk
@@ -99,6 +99,7 @@
 	'-DDATA_REDUCTION_PROXY_WARMUP_URL="http://www.gstatic.com/generate_204"' \
 	'-DVIDEO_HOLE=1' \
 	'-DWEBRTC_RESTRICT_LOGGING' \
+	'-DEXPAT_RELATIVE_PATH' \
 	'-DWEBRTC_MODULE_UTILITY_VIDEO' \
 	'-DWEBRTC_CHROMIUM_BUILD' \
 	'-DLOGGING_INSIDE_WEBRTC' \
@@ -223,6 +224,7 @@
 	'-DDATA_REDUCTION_PROXY_WARMUP_URL="http://www.gstatic.com/generate_204"' \
 	'-DVIDEO_HOLE=1' \
 	'-DWEBRTC_RESTRICT_LOGGING' \
+	'-DEXPAT_RELATIVE_PATH' \
 	'-DWEBRTC_MODULE_UTILITY_VIDEO' \
 	'-DWEBRTC_CHROMIUM_BUILD' \
 	'-DLOGGING_INSIDE_WEBRTC' \