diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2f50dbba..1e1d6ff7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -52,13 +52,13 @@ endif ()
 # IMAGE
 if (STB_FOUND)
 	set(IMAGE_LIBRARY STB CACHE STRING "STB library")
-elseif (GRAPHICSMAGICKXX_FOUND)
+elseif (GraphicsMagick++_FOUND)
 	set(IMAGE_LIBRARY GraphicsMagick++ CACHE STRING "GraphicsMagick++")
 else ()
 	message(FATAL_ERROR "Cannot find suitable image library")
 endif()
 set_property(CACHE IMAGE_LIBRARY PROPERTY STRINGS GraphicsMagick++ STB)
-if (IMAGE_LIBRARY STREQUAL GraphicsMagick++ AND NOT GRAPHICSMAGICKXX_FOUND)
+if (IMAGE_LIBRARY STREQUAL GraphicsMagick++ AND NOT GraphicsMagick++_FOUND)
 	message(FATAL_ERROR "GraphicsMagick++ not found")
 elseif (IMAGE_LIBRARY STREQUAL STB AND NOT STB_FOUND)
 	message(FATAL_ERROR "STB not found")