X-Git-Url: https://git.saurik.com/apple/icu.git/blobdiff_plain/4388f060552cc537e71e957d32f35e9d75a61233..e4f10fab0c078f399c9deef476d9c9b73b47dff8:/icuSources/common/udata.cpp

diff --git a/icuSources/common/udata.cpp b/icuSources/common/udata.cpp
index c4f8752a..0837893e 100644
--- a/icuSources/common/udata.cpp
+++ b/icuSources/common/udata.cpp
@@ -806,7 +806,7 @@ static UBool extendICUData(UErrorCode *pErr)
      * Use a specific mutex to avoid nested locks of the global mutex.
      */
 #if MAP_IMPLEMENTATION==MAP_STDIO
-    static UMTX extendICUDataMutex = NULL;
+    static UMutex extendICUDataMutex = U_MUTEX_INITIALIZER;
     umtx_lock(&extendICUDataMutex);
 #endif
     if(!gHaveTriedToLoadCommonData) {