diff --git a/sbin/ifconfig/Makefile b/sbin/ifconfig/Makefile
index 66101ed636e..c357aff10bf 100644
--- a/sbin/ifconfig/Makefile
+++ b/sbin/ifconfig/Makefile
@@ -34,6 +34,7 @@ SRCS+=	ifgre.c			# GRE keys etc
 SRCS+=	ifgif.c			# GIF reversed header workaround
 
 SRCS+=	sfp.c			# SFP/SFP+ information
+DPADD+=	${LIBM}
 LDADD+=	-lm
 
 SRCS+=	ifieee80211.c regdomain.c # SIOC[GS]IEEE80211 support