diff --git a/client/Makefile.am b/client/Makefile.am
index 008d22e043..ffce5050d8 100644
--- a/client/Makefile.am
+++ b/client/Makefile.am
@@ -12,7 +12,7 @@ client-bin: @CLIENT_BIN_FILENAME@
 LIBS += @CLIENTLIBS@
 
 if OS_DARWIN
-   LIBS+=-framework corefoundation -framework iokit
+   LIBS += -framework IOKit -framework Foundation -framework ScreenSaver -framework Cocoa
 endif
 
 bin_PROGRAMS = boinc_client
diff --git a/clientgui/Makefile.am b/clientgui/Makefile.am
index 37d2de3007..b084f3b07b 100644
--- a/clientgui/Makefile.am
+++ b/clientgui/Makefile.am
@@ -7,7 +7,7 @@ LIBS += @CLIENTLIBS@
 
 
 if OS_DARWIN
-   LIBS += -framework foundation -framework iokit -framework screensaver
+   LIBS += -framework IOKit -framework Foundation -framework ScreenSaver -framework Cocoa
    mac_sources = mac/SystemMenu.m \
                  mac/mac_saver_module.cpp \
                  mac/Mac_Saver_ModuleView.m \