diff --git a/_config.yml b/_config.yml
index ba660f03..6d2ec9fc 100644
--- a/_config.yml
+++ b/_config.yml
@@ -163,7 +163,7 @@ conference:
     url: '/program'
 
     # Time steps in program table
-    time_steps: 30 # in minutes
+    time_steps: 15 # in minutes
 
     # Show intermediary time steps (next to full hours)
     show_alltimes: true