diff --git a/netwerk/base/src/nsStandardURL.cpp b/netwerk/base/src/nsStandardURL.cpp
index 4825942322a..1cb6f353c53 100644
--- a/netwerk/base/src/nsStandardURL.cpp
+++ b/netwerk/base/src/nsStandardURL.cpp
@@ -343,6 +343,7 @@ nsStandardURL::InitGlobalObjects()
 
 #ifdef DEBUG_DUMP_URLS_AT_SHUTDOWN
     PR_INIT_CLIST(&gAllURLs);
+    atexit(DumpLeakedURLs);
 #endif
 }
 
@@ -351,10 +352,6 @@ nsStandardURL::ShutdownGlobalObjects()
 {
     NS_IF_RELEASE(gIDN);
     NS_IF_RELEASE(gCharsetMgr);
-
-#ifdef DEBUG_DUMP_URLS_AT_SHUTDOWN
-    atexit(DumpLeakedURLs);
-#endif
 }
 
 //----------------------------------------------------------------------------