diff --git a/mozilla/xpcom/io/nsLocalFileOSX.cpp b/mozilla/xpcom/io/nsLocalFileOSX.cpp
index 2b75d21050d..c90710fafd1 100644
--- a/mozilla/xpcom/io/nsLocalFileOSX.cpp
+++ b/mozilla/xpcom/io/nsLocalFileOSX.cpp
@@ -1253,7 +1253,12 @@ NS_IMETHODIMP nsLocalFile::Load(PRLibrary **_retval)
   if (NS_FAILED(rv))
     return rv;
 
-  *_retval = PR_LoadLibrary(path.get());
+  PRLibSpec ls = {
+    PR_LibSpec_Pathname,
+    path.get()
+  };
+
+  *_retval = PR_LoadLibraryWithFlags(ls, PR_LD_NOW);
 
   NS_TIMELINE_STOP_TIMER("PR_LoadLibrary");
   NS_TIMELINE_MARK_TIMER1("PR_LoadLibrary", path.get());
diff --git a/mozilla/xpcom/io/nsLocalFileUnix.cpp b/mozilla/xpcom/io/nsLocalFileUnix.cpp
index 3191a4e6427..e8a66fb6874 100644
--- a/mozilla/xpcom/io/nsLocalFileUnix.cpp
+++ b/mozilla/xpcom/io/nsLocalFileUnix.cpp
@@ -1586,7 +1586,12 @@ nsLocalFile::Load(PRLibrary **_retval)
 
     NS_TIMELINE_START_TIMER("PR_LoadLibrary");
 
-    *_retval = PR_LoadLibrary(mPath.get());
+    PRLibSpec ls = {
+        PR_LibSpec_Pathname,
+        mPath.get()
+    };
+
+    *_retval = PR_LoadLibraryWithFlags(ls, PR_LD_NOW);
 
     NS_TIMELINE_STOP_TIMER("PR_LoadLibrary");
     NS_TIMELINE_MARK_TIMER1("PR_LoadLibrary", mPath.get());