diff --git a/ext/ogg/Makefile.am b/ext/ogg/Makefile.am
index 53edb16e8c..42cfb61451 100644
--- a/ext/ogg/Makefile.am
+++ b/ext/ogg/Makefile.am
@@ -2,7 +2,7 @@ plugindir = $(libdir)/gstreamer-@GST_MAJORMINOR@
 
 plugin_LTLIBRARIES = libgstogg.la
 
-libgstogg_la_SOURCES = gstoggdemux.c gstoffmux.c gstogg.c
+libgstogg_la_SOURCES = gstoggdemux.c gstoggmux.c gstogg.c
 libgstogg_la_CFLAGS = $(GST_CFLAGS) $(OGG_CFLAGS)
 libgstogg_la_LIBADD = $(OGG_LIBS)
 libgstogg_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)