diff --git a/cli/src/main/scala-2.11/coursier/cli/Launch.scala b/cli/src/main/scala-2.11/coursier/cli/Launch.scala
index 76261243c..d8c72e91d 100644
--- a/cli/src/main/scala-2.11/coursier/cli/Launch.scala
+++ b/cli/src/main/scala-2.11/coursier/cli/Launch.scala
@@ -199,6 +199,7 @@ case class Launch(
       Helper.errPrintln(s"Error: method main not found in $mainClass0")
       sys.exit(255)
     }
+  method.setAccessible(true)
 
   if (options.common.verbosityLevel >= 2)
     Helper.errPrintln(s"Launching $mainClass0 ${userArgs.mkString(" ")}")