diff --git a/docker-builder-data/build/script/packet/opentoonz-master.sh b/docker-builder-data/build/script/packet/opentoonz-master.sh
index 5063e9d..5ac88ca 100644
--- a/docker-builder-data/build/script/packet/opentoonz-master.sh
+++ b/docker-builder-data/build/script/packet/opentoonz-master.sh
@@ -54,6 +54,7 @@ pkbuild() {
               -DCMAKE_INSTALL_PREFIX="$INSTALL_PACKET_DIR" \
               -DPNG_PNG_INCLUDE_DIR="$ENVDEPS_PACKET_DIR/include" \
               -DPNG_LIBRARY="$ENVDEPS_PACKET_DIR/lib/libpng16.$LOCAL_LIB_SUFFIX" \
+              -DGLUT_LIB="$ENVDEPS_PACKET_DIR/lib/libfreeglut.$LOCAL_LIB_SUFFIX" \
               $LOCAL_CMAKE_OPTIONS \
               $PK_CONFIGURE_OPTIONS \
               ../sources; \