diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt
index 9ba0ebe65..681f7a959 100644
--- a/code/CMakeLists.txt
+++ b/code/CMakeLists.txt
@@ -256,6 +256,11 @@ IF(WITH_NEL)
             LIST(APPEND CURL_LIBRARIES ${PSL_LIBRARY})
           ENDIF()
 
+          FIND_LIBRARY(UNISTRING_LIBRARY unistring)
+          IF(UNISTRING_LIBRARY)
+            LIST(APPEND CURL_LIBRARIES ${UNISTRING_LIBRARY})
+          ENDIF()
+
           LIST(APPEND CURL_LIBRARIES ${SECURITY_FRAMEWORK})
         ENDIF()
       ENDIF()