diff --git a/demos/mandelbrot/CMakeLists.txt b/demos/mandelbrot/CMakeLists.txt
index 5c500e0..ae6001d 100644
--- a/demos/mandelbrot/CMakeLists.txt
+++ b/demos/mandelbrot/CMakeLists.txt
@@ -5,7 +5,7 @@
 if (CMAKE_COMPILER_IS_GNUCXX)
    set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2")
    add_definitions ( "-DNDEBUG" )
-endif (CMAKE_COMPILER_IS_GNUCXX)
+endif ()
 
 include_directories( ${QT_INCLUDE_DIR} )