diff --git a/build/Makefile.am b/build/Makefile.am
index 476a8a4..bb5c615 100644
--- a/build/Makefile.am
+++ b/build/Makefile.am
@@ -15,7 +15,9 @@ toxic_SOURCES = $(top_srcdir)/src/main.c \
                 $(top_srcdir)/src/groupchat.c \
                 $(top_srcdir)/src/groupchat.h \
                 $(top_srcdir)/src/global_commands.c \
+                $(top_srcdir)/src/global_commands.h \
                 $(top_srcdir)/src/chat_commands.c \
+                $(top_srcdir)/src/chat_commands.h \
                 $(top_srcdir)/src/execute.c \
                 $(top_srcdir)/src/execute.h \
                 $(top_srcdir)/src/misc_tools.c \