diff --git a/server/test/MaxScale_test.cnf b/server/test/MaxScale_test.cnf
index a0b3df439..ff6a09f24 100644
--- a/server/test/MaxScale_test.cnf
+++ b/server/test/MaxScale_test.cnf
@@ -15,6 +15,7 @@ router=readwritesplit
 servers=server1,server2,server3,server4
 user=maxuser
 passwd=maxpwd
+max_slave_connections=100%
 
 [RW Split Hint Router]
 type=service
@@ -22,6 +23,7 @@ router=readwritesplit
 servers=server1,server2,server3,server4
 user=maxuser
 passwd=maxpwd
+max_slave_connections=100%
 filters=Hint