diff --git a/tools/bugpoint/bugpoint.cpp b/tools/bugpoint/bugpoint.cpp
index 0ee3784660a..af6d9fccf29 100644
--- a/tools/bugpoint/bugpoint.cpp
+++ b/tools/bugpoint/bugpoint.cpp
@@ -50,7 +50,7 @@ TimeoutValue("timeout", cl::init(300), cl::value_desc("seconds"),
 static cl::opt<int>
 MemoryLimit("mlimit", cl::init(-1), cl::value_desc("MBytes"),
             cl::desc("Maximum amount of memory to use. 0 disables check."
-                     " Defaults to 300MB (800MB under valgrind)."));
+                     " Defaults to 400MB (800MB under valgrind)."));
 
 static cl::opt<bool>
 UseValgrind("enable-valgrind",
@@ -158,7 +158,7 @@ int main(int argc, char **argv) {
     if (sys::RunningOnValgrind() || UseValgrind)
       MemoryLimit = 800;
     else
-      MemoryLimit = 300;
+      MemoryLimit = 400;
   }
 
   BugDriver D(argv[0], FindBugs, TimeoutValue, MemoryLimit,