diff --git a/doc/hamlib.cfg.in b/doc/hamlib.cfg.in
index df1157178..1799b946e 100644
--- a/doc/hamlib.cfg.in
+++ b/doc/hamlib.cfg.in
@@ -30,9 +30,11 @@ INPUT            = @top_srcdir@/doc/index.doxygen \
                    @top_srcdir@/include/hamlib/ \
                    @top_srcdir@/src/
 
-EXCLUDE          = @top_srcdir@/src/amp_conf.h \
-                   @top_srcdir@/include/hamlib/ampclass.h \
-                   @top_srcdir@/include/hamlib/rotclass.h
+EXCLUDE          = @top_srcdir@/include/hamlib/ampclass.h \
+                   @top_srcdir@/include/hamlib/multicast.h \
+                   @top_srcdir@/include/hamlib/rotclass.h \
+                   @top_srcdir@/src/amp_conf.h \
+                   @top_srcdir@/src/multicast.c
 
 INCLUDE_PATH     = @top_srcdir@/include