diff --git a/config/functions b/config/functions
index 6f76f0e259..78d4b41f8d 100644
--- a/config/functions
+++ b/config/functions
@@ -873,6 +873,12 @@ source_package() {
       [ "$PKG_ADDON_IS_STANDALONE" != "yes" ] && PKG_NEED_UNPACK="${PKG_NEED_UNPACK} $(get_pkg_directory $MEDIACENTER)"
     fi
 
+    if [ -n "${PKG_DEPENDS_UNPACK}" ]; then
+      for _p in ${PKG_DEPENDS_UNPACK}; do
+        PKG_NEED_UNPACK+=" $(get_pkg_directory ${_p})"
+      done
+    fi
+
     # Automatically set PKG_SOURCE_NAME unless it is already defined.
     # PKG_SOURCE_NAME will be automatically set to a name based on
     # the $PKG_NAME-$PKG_VERSION convention.