diff --git a/CMakeLists.txt b/CMakeLists.txt
index b4259a1..2ceff78 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,6 +6,7 @@ if (${WIN32})
 endif (${WIN32})
 find_package(Qt REQUIRED)
 set(LIB 1)
+set(ICU 1)
 set(LIBPROJECT 1)
 set(PIP_LIBRARY pip)
 set(PIP_FOLDERS "." "core" "containers" "thread" "system" "io" "console" "math" "code")