diff --git a/ompi/mca/btl/mx/Makefile.am b/ompi/mca/btl/mx/Makefile.am
index 77daf1276d..b55b8751c1 100644
--- a/ompi/mca/btl/mx/Makefile.am
+++ b/ompi/mca/btl/mx/Makefile.am
@@ -38,7 +38,7 @@ endif
 mcacomponentdir = $(libdir)/openmpi
 mcacomponent_LTLIBRARIES = $(component_install)
 mca_btl_mx_la_SOURCES = $(btl_mx_sources)
-mca_btl_mx_la_LIBADD = $(btl_mx_LIBX)
+mca_btl_mx_la_LIBADD = $(btl_mx_LIBS)
 mca_btl_mx_la_LDFLAGS = -module -avoid-version $(btl_mx_LDFLAGS)
 
 noinst_LTLIBRARIES = $(component_noinst)
diff --git a/ompi/mca/ptl/mx/Makefile.am b/ompi/mca/ptl/mx/Makefile.am
index 478de264e8..23dc8f09f4 100644
--- a/ompi/mca/ptl/mx/Makefile.am
+++ b/ompi/mca/ptl/mx/Makefile.am
@@ -39,7 +39,7 @@ ptl_mx_SOURCES = ptl_mx.c ptl_mx.h ptl_mx_component.c ptl_mx_module.c ptl_mx_mod
 mcacomponentdir = $(libdir)/openmpi
 mcacomponent_LTLIBRARIES = $(component_install)
 mca_ptl_mx_la_SOURCES = $(mx_SOURCES)
-mca_ptl_mx_la_LIBADD = $(ptl_mx_LIBX)
+mca_ptl_mx_la_LIBADD = $(ptl_mx_LIBS)
 mca_ptl_mx_la_LDFLAGS = -module -avoid-version $(ptl_mx_LDFLAGS)
 
 noinst_LTLIBRARIES = $(component_noinst)