diff --git a/CMakeScripts/DefineDependsandFlags.cmake b/CMakeScripts/DefineDependsandFlags.cmake
index 7fba9adfc1edbc7d8e1f0dede62098fc0be83a7a..4fee49d61ead8f16c29b867e507cf32f06e062b7 100644
--- a/CMakeScripts/DefineDependsandFlags.cmake
+++ b/CMakeScripts/DefineDependsandFlags.cmake
@@ -152,7 +152,7 @@ if(WITH_JEMALLOC)
     endif()
 endif()
 
-pkg_search_module(ICU_UC icu-uc)
+pkg_search_module(ICU_UC REQUIRED icu-uc)
 list(APPEND INKSCAPE_INCS_SYS ${ICU_UC_INCLUDE_DIRS})
 list(APPEND INKSCAPE_LIBS ${ICU_UC_LIBRARIES})
 link_directories(${ICU_UC_LIBRARY_DIRS})