diff --git a/warden/spec/container/linux_spec.rb b/warden/spec/container/linux_spec.rb
index a3c77293..76ce5b00 100644
--- a/warden/spec/container/linux_spec.rb
+++ b/warden/spec/container/linux_spec.rb
@@ -1272,7 +1272,7 @@ def run(script)
       end
 
       it "terminates when writing more data than the memory limit" do
-        run("dd of=/dev/shm/out.bin if=/dev/urandom bs=#{megabyte} count=34")
+        run("dd of=/dev/shm/out.bin if=/dev/urandom bs=#{megabyte} count=45")
 
         expect { client.info(:handle => handle).state }.to eventually(eq("stopped"))
         expect { client.info(:handle => handle).events }.to eventually(include("out of memory"))