diff --git a/CMakeLists.txt b/CMakeLists.txt
index d72ae85..405d96b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,8 +22,8 @@ ENDIF()
 
 #add_subdirectory (src)
 
-find_package(CFITSIO REQUIRED)
-INCLUDE_DIRECTORIES(${CFITSIO_INCLUDE_DIR})
+find_package(unofficial-cfitsio CONFIG REQUIRED)
+set(CFITSIO_LIBRARY cfitsio)
 
 SET (LIB_TYPE STATIC)
 IF (BUILD_SHARED_LIBS)