diff --git a/packages/devel/libcec/package.mk b/packages/devel/libcec/package.mk
index 53b143e077..b9706ad184 100644
--- a/packages/devel/libcec/package.mk
+++ b/packages/devel/libcec/package.mk
@@ -32,6 +32,11 @@ else
   PKG_CMAKE_OPTS_TARGET="$PKG_CMAKE_OPTS_TARGET -DHAVE_AOCEC_API=0 -DHAVE_AMLOGIC_API=0"
 fi
 
+# libX11 and xrandr to read the sink's EDID, used to determine the PC's HDMI physical address
+if [ "$DISPLAYSERVER" = "x11" ]; then
+  PKG_DEPENDS_TARGET="$PKG_DEPENDS_TARGET libX11 libXrandr"
+fi
+
 if [ "$CEC_FRAMEWORK_SUPPORT" = "yes" ]; then
   PKG_PATCH_DIRS="cec-framework"
   PKG_CMAKE_OPTS_TARGET="$PKG_CMAKE_OPTS_TARGET -DHAVE_LINUX_API=1"