--- a/QTfrontend/CMakeLists.txt	Wed Jan 08 19:19:09 2014 +0100
+++ b/QTfrontend/CMakeLists.txt	Wed Jan 08 23:29:30 2014 +0100
@@ -152,7 +152,7 @@
 
 set(hwfr_rez hedgewars.qrc)
 
-if(${BUILD_ENGINE_LIBRARY})
+if(BUILD_ENGINE_LIBRARY)
     add_definitions(-DHWLIBRARY=1)
     set(hwlibname "${EXECUTABLE_OUTPUT_PATH}/${CMAKE_SHARED_LIBRARY_PREFIX}hwengine${CMAKE_SHARED_LIBRARY_SUFFIX}")
     list(APPEND HW_LINK_LIBS ${hwlibname})