diff --git a/hphp/test/config.hdf b/hphp/test/config.hdf
index 44b470f5f..1aab8b2d8 100644
--- a/hphp/test/config.hdf
+++ b/hphp/test/config.hdf
@@ -3,6 +3,9 @@ Eval {
   AllowHhas = true
   EnableHipHopSyntax = true
   EnableObjDestructCall = true
+  JitASize = 10485760 # 10 MB
+  JitAStubsSize = 10485760 # 10 MB
+  JitGlobalDataSize = 2097152 # 2 MB
 }
 
 MySQL {