diff --git a/gst-libs/gst/Makefile.am b/gst-libs/gst/Makefile.am
index e822561d18..b0e84c3c1f 100644
--- a/gst-libs/gst/Makefile.am
+++ b/gst-libs/gst/Makefile.am
@@ -1,3 +1,3 @@
-SUBDIRS = audio idct resample riff
+SUBDIRS = audio idct resample riff floatcast
 
-DIST_SUBDIRS = audio idct resample riff
+DIST_SUBDIRS = audio idct resample riff floatcast