diff --git a/contrib/ofed/librdmacm/examples/build/cmatose/Makefile b/contrib/ofed/librdmacm/examples/build/cmatose/Makefile
index c4515ac33eb..31d2ae7f7f6 100644
--- a/contrib/ofed/librdmacm/examples/build/cmatose/Makefile
+++ b/contrib/ofed/librdmacm/examples/build/cmatose/Makefile
@@ -6,5 +6,6 @@ PROG=	cmatose
 MAN=
 SRCS=	cmatose.c
 LDADD+= -libverbs -lrdmacm -lpthread
+LDADD+= -lmlx4
 
 .include <bsd.prog.mk>
diff --git a/contrib/ofed/librdmacm/examples/build/mckey/Makefile b/contrib/ofed/librdmacm/examples/build/mckey/Makefile
index d4ad2954d52..4abaf2786d5 100644
--- a/contrib/ofed/librdmacm/examples/build/mckey/Makefile
+++ b/contrib/ofed/librdmacm/examples/build/mckey/Makefile
@@ -6,5 +6,6 @@ PROG=	mckey
 MAN=
 SRCS=	mckey.c
 LDADD+= -libverbs -lrdmacm -lpthread
+LDADD+= -lmlx4
 
 .include <bsd.prog.mk>
diff --git a/contrib/ofed/librdmacm/examples/build/rping/Makefile b/contrib/ofed/librdmacm/examples/build/rping/Makefile
index 05ef562400e..b167a543c09 100644
--- a/contrib/ofed/librdmacm/examples/build/rping/Makefile
+++ b/contrib/ofed/librdmacm/examples/build/rping/Makefile
@@ -6,5 +6,6 @@ PROG=	rping
 MAN=
 SRCS=	rping.c
 LDADD+= -libverbs -lrdmacm -lpthread
+LDADD+= -lmlx4
 
 .include <bsd.prog.mk>
diff --git a/contrib/ofed/librdmacm/examples/build/udaddy/Makefile b/contrib/ofed/librdmacm/examples/build/udaddy/Makefile
index 16d941974b6..1e325505bc8 100644
--- a/contrib/ofed/librdmacm/examples/build/udaddy/Makefile
+++ b/contrib/ofed/librdmacm/examples/build/udaddy/Makefile
@@ -6,5 +6,6 @@ PROG=	udaddy
 MAN=
 SRCS=	udaddy.c
 LDADD+= -libverbs -lrdmacm -lpthread
+LDADD+= -lmlx4
 
 .include <bsd.prog.mk>