diff --git a/include/Makefile.am b/include/Makefile.am
index b67daaa..0b3885c 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -11,4 +11,4 @@ EXTRA_DIST = adivtab.h anorm_dots.h anorms.h asm_draw.h asm_i386.h block16.h \
 	sbar.h screen.h server.h sizebuf.h sound.h spritegn.h sys.h \
 	teamplay.h uint32.h vid.h view.h wad.h winquake.h world.h zone.h \
 	win32/fnmatch.h win32/bc/config.h win32/vc/config.h win32/vc/dirent.h \
-	win32/version.h win32/version.h.in context_x11.h dga_check.h
+	win32/version.h win32/version.h.in context_x11.h dga_check.h gcc_attr.h