diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5012cfd1b..95f812685 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -338,7 +338,7 @@ ELSE (CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION LESS 8)
 ENDIF (CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION LESS 8)
 
 IF (${WT_WRASTERIMAGE_IMPLEMENTATION} STREQUAL "GraphicsMagick")
-  IF (NOT GM_FOUND)
+  IF (0)
     MESSAGE(FATAL_ERROR "WT_WRASTERIMAGE_IMPLEMENTATION set to GraphicsMagick but GM is not found. Indicate the location of your graphicsmagick library using -DGM_PREFIX=...")
   ENDIF (NOT GM_FOUND)
   SET(WT_HAS_WRASTERIMAGE true)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 78d82ee53..01ac5f42a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -595,8 +595,9 @@ ELSE(HAVE_HARU)
 ENDIF(HAVE_HARU)
 
 IF("${WT_WRASTERIMAGE_IMPLEMENTATION}" STREQUAL "GraphicsMagick")
-  TARGET_LINK_LIBRARIES(wt PRIVATE ${GM_LIBRARIES})
-  INCLUDE_DIRECTORIES(${GM_INCLUDE_DIRS})
+  find_package(unofficial-graphicsmagick REQUIRED)
+  TARGET_LINK_LIBRARIES(wt PRIVATE unofficial::graphicsmagick::graphicsmagick)
+  # INCLUDE_DIRECTORIES(${GM_INCLUDE_DIRS})
   ADD_DEFINITIONS(-DHAVE_GRAPHICSMAGICK)
 ELSEIF("${WT_WRASTERIMAGE_IMPLEMENTATION}" STREQUAL "skia")
   TARGET_LINK_LIBRARIES(wt PRIVATE ${SKIA_LIBRARIES})