diff --git a/extras/Makefile.am b/extras/Makefile.am
index 375ce1a..f2789a8 100644
--- a/extras/Makefile.am
+++ b/extras/Makefile.am
@@ -1,6 +1,7 @@
 EXTRA_DIST = \
 	physfsrwops.c  \
 	physfsrwops.h  \
-	physfshttpd.c
-
+	abs-file.h  \
+	physfshttpd.c \
+    physfs_rb