--- src/formats/CMakeLists.txt.orig	2018-10-25 20:45:54 UTC
+++ src/formats/CMakeLists.txt
@@ -68,7 +68,7 @@ set(formats_UIS
 	CACHE INTERNAL EXPORTEDVARIABLE
 )
 
-find_package(ICU)
+find_package(ICU REQUIRED COMPONENTS i18n uc data)
 if(ICU_FOUND)
 	message(STATUS "ICU Library will be used for charset detection.")
 
