diff --git a/Tools/fontinfo/Jakefile b/Tools/fontinfo/Jakefile
index de6d54f40..4ab6d6c6e 100644
--- a/Tools/fontinfo/Jakefile
+++ b/Tools/fontinfo/Jakefile
@@ -27,13 +27,13 @@ task ("build", function()
 
 task ("clean", function()
 {
-    if (OS.system("xcodebuild clean"))
+    if (executableExists("xcodebuild") && OS.system("xcodebuild clean"))
         OS.exit(1);
 });
 
 task ("clobber", function()
 {
-    if (OS.system("xcodebuild clean"))
+    if (executableExists("xcodebuild") && OS.system("xcodebuild clean"))
         OS.exit(1);
 });