diff --git a/package/gstreamer1/gst1-plugins-bad/Config.in b/package/gstreamer1/gst1-plugins-bad/Config.in
index 407bf315c..3647e5351 100644
--- a/package/gstreamer1/gst1-plugins-bad/Config.in
+++ b/package/gstreamer1/gst1-plugins-bad/Config.in
@@ -400,6 +400,7 @@ config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_MPEG2ENC
 config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_MPG123
 	bool "mpg123"
 	select BR2_PACKAGE_MPG123
+	depends on BR2_USE_MMU # mpg123
 	help
 	  mp3 decoding based on the mpg123 library
 
diff --git a/package/mpg123/Config.in b/package/mpg123/Config.in
index 18ac41cfc..a7ac035a7 100644
--- a/package/mpg123/Config.in
+++ b/package/mpg123/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_MPG123
 	bool "mpg123"
+	depends on BR2_USE_MMU # fork - in the application
 	help
 	  Fast, free and portable MPEG audio player for Unix.  It supports
 	  MPEG 1.0/2.0 layers 1, 2 and 3.