diff --git a/.ssh/config.d/10_global b/.ssh/config.d/10_global
index d50406ace748cbadc288e4c89f92a2a5e1b8d247..e1bee5a06fadfc165a03a5f5fb00a36c84cda20d 100644
--- a/.ssh/config.d/10_global
+++ b/.ssh/config.d/10_global
@@ -3,7 +3,7 @@ Compression yes
 ControlMaster auto
 ControlPath ~/.ssh/cm_%C.sock
 ControlPersist 3m
-ServerAliveInterval 30
+ServerAliveInterval 15
 IdentitiesOnly yes
 ForwardAgent no
 HashKnownHosts yes