diff --git a/doc/hamlib.cfg.in b/doc/hamlib.cfg.in
index f25cb6789..5e9b54d2d 100644
--- a/doc/hamlib.cfg.in
+++ b/doc/hamlib.cfg.in
@@ -21,7 +21,8 @@ INPUT            = @top_srcdir@/doc/index.doxygen \
                     @top_srcdir@/include/hamlib/ \
                     @top_srcdir@/src/
 
-EXCLUDE          = @top_srcdir@/src/amp_conf.h
+EXCLUDE          = @top_srcdir@/src/amp_conf.h \
+                   @top_srcdir@/include/hamlib/ampclass.h
 
 INCLUDE_PATH     = @top_srcdir@/include