diff --git a/build/scripts/utils.gant b/build/scripts/utils.gant
index 8e2376b71c55..b311af3d1b4c 100644
--- a/build/scripts/utils.gant
+++ b/build/scripts/utils.gant
@@ -643,6 +643,7 @@ private Map readIdeaProperties(Map args) {
   ideaPropertiesFile.close();
 
   def defaultProperties = ["CVS_PASSFILE": "~/.cvspass",
+                           "JVMVersion": "1.6*",
                            "com.apple.mrj.application.live-resize": "false",
                            "idea.paths.selector": args.system_selector,
                            "java.endorsed.dirs": "",