diff --git a/CMakeLists.txt b/CMakeLists.txt
old mode 100644
new mode 100755
index fec71a5e..dda2f40a
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,10 @@
 cmake_minimum_required (VERSION 2.6)
 
+
+# Set and enforce C++-11 flags
+set( CMAKE_CXX_STANDARD_REQUIRED TRUE )
+set( CMAKE_CXX_STANDARD 11 )
+
 enable_testing()
 
 # Only set project name if OpenMesh is built as stand-alone library