diff --git a/Rakefile b/Rakefile
index 72509b68..45b7be94 100644
--- a/Rakefile
+++ b/Rakefile
@@ -290,7 +290,10 @@ def closure_compile(filename)
 
   min_path = path_to(filename.gsub(/\.js$/, '.min.js'))
 
-  %x(java -jar lib/closure-compiler/compiler.jar \
+  %x(java \
+        -client \
+        -d32 \
+        -jar lib/closure-compiler/compiler.jar \
         --compilation_level SIMPLE_OPTIMIZATIONS \
         --language_in ECMASCRIPT5_STRICT \
         --js #{path_to(filename)} \