diff --git a/build/build.py b/build/build.py
index 58a4900668..9ca6a1c0f2 100755
--- a/build/build.py
+++ b/build/build.py
@@ -15,7 +15,7 @@ def build(config_file = None, output_file = None, options = None):
     try:
         import closure
         have_compressor.append("closure")
-    except ImportError, E:
+    except Exception, E:
         print "No closure (%s) % E"
     try:
         import closure_ws