diff --git a/mozilla/modules/libjar/nsJARChannel.cpp b/mozilla/modules/libjar/nsJARChannel.cpp
index 45a0067af76..3e57776c8d1 100644
--- a/mozilla/modules/libjar/nsJARChannel.cpp
+++ b/mozilla/modules/libjar/nsJARChannel.cpp
@@ -515,7 +515,7 @@ nsJARChannel::GetCacheFile(nsIFile* *cacheFile)
     rv = jarCacheFile->Exists(&exists);
     if (NS_FAILED(rv)) return rv;
     if (!exists) {
-        rv = jarCacheFile->Create(nsIFile::DIRECTORY_TYPE, 0664);
+        rv = jarCacheFile->Create(nsIFile::DIRECTORY_TYPE, 0775);
         if (NS_FAILED(rv)) return rv;
     }
 
diff --git a/mozilla/netwerk/protocol/jar/src/nsJARChannel.cpp b/mozilla/netwerk/protocol/jar/src/nsJARChannel.cpp
index 45a0067af76..3e57776c8d1 100644
--- a/mozilla/netwerk/protocol/jar/src/nsJARChannel.cpp
+++ b/mozilla/netwerk/protocol/jar/src/nsJARChannel.cpp
@@ -515,7 +515,7 @@ nsJARChannel::GetCacheFile(nsIFile* *cacheFile)
     rv = jarCacheFile->Exists(&exists);
     if (NS_FAILED(rv)) return rv;
     if (!exists) {
-        rv = jarCacheFile->Create(nsIFile::DIRECTORY_TYPE, 0664);
+        rv = jarCacheFile->Create(nsIFile::DIRECTORY_TYPE, 0775);
         if (NS_FAILED(rv)) return rv;
     }