diff --git a/icu4c/source/common/loadednormalizer2impl.cpp b/icu4c/source/common/loadednormalizer2impl.cpp
index c995ca1ea71..bd37b95eadc 100644
--- a/icu4c/source/common/loadednormalizer2impl.cpp
+++ b/icu4c/source/common/loadednormalizer2impl.cpp
@@ -232,6 +232,7 @@ Normalizer2::getInstance(const char *packageName,
             }
         }
         if(allModes==NULL) {
+            ucln_common_registerCleanup(UCLN_COMMON_LOADED_NORMALIZER2, uprv_loaded_normalizer2_cleanup);
             LocalPointer<Norm2AllModes> localAllModes(
                 Norm2AllModes::createInstance(packageName, name, errorCode));
             if(U_SUCCESS(errorCode)) {