diff --git a/grin.toml b/grin.toml
index 6a2716b23..25c7dedcd 100644
--- a/grin.toml
+++ b/grin.toml
@@ -125,7 +125,7 @@ stratum_server_addr = "127.0.0.1:13416"
 
 #The amount of time, in seconds, to attempt to mine on a particular
 #header before stopping and re-collecting transactions from the pool
-attempt_time_per_block = 90
+attempt_time_per_block = 15
 
 #The minimum acceptable share difficulty to request from miners
 minimum_share_difficulty = 1