diff --git a/lib/Transforms/Scalar/ScalarReplAggregates.cpp b/lib/Transforms/Scalar/ScalarReplAggregates.cpp
index 98fc399c71e..52edcb67af1 100644
--- a/lib/Transforms/Scalar/ScalarReplAggregates.cpp
+++ b/lib/Transforms/Scalar/ScalarReplAggregates.cpp
@@ -50,7 +50,7 @@ namespace {
     static char ID; // Pass identification, replacement for typeid
     explicit SROA(signed T = -1) : FunctionPass((intptr_t)&ID) {
       if (T == -1)
-        SRThreshold = 512;
+        SRThreshold = 128;
       else
         SRThreshold = T;
     }