diff --git a/src/Makefile.am b/src/Makefile.am
index 55a225caf9..ec0fda557e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -237,7 +237,7 @@ NetworkManager_CPPFLAGS = \
 
 WIMAX_LIBS=
 if WITH_WIMAX
-WIMAX_LIBS = ./wimax/libwimax.la
+WIMAX_LIBS += ./wimax/libwimax.la
 endif
 
 NetworkManager_LDADD = \