diff --git a/hw/dmx/glxProxy/Makefile.am b/hw/dmx/glxProxy/Makefile.am
index 851604883..4ee1036b3 100644
--- a/hw/dmx/glxProxy/Makefile.am
+++ b/hw/dmx/glxProxy/Makefile.am
@@ -1,10 +1,12 @@
 noinst_LIBRARIES = libglxproxy.a
 
 libglxproxy_a_SOURCES = compsize.c \
+                        compsize.h \
                         g_disptab.c \
                         g_disptab.h \
                         global.c \
                         glxcmds.c \
+                        glxcmds.h \
                         glxcmdsswap.c \
                         glxcontext.h \
                         glxdrawable.h \