diff --git a/include/Makefile.am b/include/Makefile.am
index 92226ffc1..8f54fb88b 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -1,5 +1,6 @@
 noinst_HEADERS = config.h bandplan.h num_stdio.h hl_sleep.h
 
 nobase_include_HEADERS = hamlib/rig.h hamlib/riglist.h hamlib/rig_dll.h \
-		hamlib/rotator.h hamlib/rotlist.h hamlib/rigclass.h hamlib/rotclass.h
-
+		hamlib/rotator.h hamlib/rotlist.h hamlib/rigclass.h \
+		hamlib/rotclass.h hamlib/amplifier.h hamlib/amplist.h \
+		hamlib/ampclass.h