1 files changed, 1 insertions, 1 deletions
diff --git a/lib/utils/string.js b/lib/utils/string.js
index 63c5e91..417d7af 100644
--- a/lib/utils/string.js
+++ b/lib/utils/string.js
@@ -11,7 +11,7 @@ function escapeShellArg(arg) {
 function optionsToShellArgs(options) {
     return _.chain(options)
     .map(function(value, key) {
-        if (value == null) return null;
+        if (value == null || value == false) return null;
         if (value == true) return key;
         return key+"="+escapeShellArg(value);
     })