diff --git a/build/Makefile.am b/build/Makefile.am
index dc6a588..ccdf4f3 100644
--- a/build/Makefile.am
+++ b/build/Makefile.am
@@ -11,7 +11,9 @@ toxic_SOURCES = $(top_srcdir)/src/main.c \
                 $(top_srcdir)/src/friendlist.h \
                 $(top_srcdir)/src/friendlist.c \
                 $(top_srcdir)/src/toxic_windows.h \
-                $(top_srcdir)/src/windows.c
+                $(top_srcdir)/src/windows.c \
+                $(top_srcdir)/src/groupchat.c \
+                $(top_srcdir)/src/groupchat.h
 
 toxic_CFLAGS =	-I$(top_srcdir) \
 				$(NCURSES_CFLAGS) \