diff --git a/Makefile b/Makefile
index 3a61f79..f2884fd 100644
--- a/Makefile
+++ b/Makefile
@@ -2632,6 +2632,7 @@
     include/grpc++/config.h \
     include/grpc++/create_channel.h \
     include/grpc++/credentials.h \
+    include/grpc++/impl/call.h \
     include/grpc++/impl/client_unary_call.h \
     include/grpc++/impl/internal_stub.h \
     include/grpc++/impl/rpc_method.h \