diff --git a/root/defaults/smoke-conf/Probes b/root/defaults/smoke-conf/Probes
index 87c9299..b622153 100644
--- a/root/defaults/smoke-conf/Probes
+++ b/root/defaults/smoke-conf/Probes
@@ -3,6 +3,10 @@
 + FPing
 binary = /usr/sbin/fping
 
++ FPing4
+binary = /usr/sbin/fping
+protocol = 4
+
 + FPing6
 binary = /usr/sbin/fping
 protocol = 6