diff --git a/circuslinux/Makefile.am b/circuslinux/Makefile.am

index a9a2e2d..facfc58 100644

--- a/circuslinux/Makefile.am

+++ b/circuslinux/Makefile.am

@@ -29,8 +29,8 @@ LIBS    = @LIBS@

 bin_PROGRAMS = circuslinux

 circuslinux_SOURCES = circuslinux.c

-circuslinux_CFLAGS  = CFLAGS

-circuslinux_LIBS    = LIBS

+circuslinux_CFLAGS  = $(CFLAGS)

+circuslinux_LIBS    = $(LIBS)

 docdir = $(prefix)/share/doc/$(PACKAGE)-$(VERSION)