diff --git a/mozilla/modules/plugin/base/src/nsPluginHostImpl.cpp b/mozilla/modules/plugin/base/src/nsPluginHostImpl.cpp
index 6127aa22b8c..f90b59401fe 100644
--- a/mozilla/modules/plugin/base/src/nsPluginHostImpl.cpp
+++ b/mozilla/modules/plugin/base/src/nsPluginHostImpl.cpp
@@ -1688,7 +1688,7 @@ NS_IMETHODIMP nsPluginHostImpl::SetUpPluginInstance(const char *aMimeType,
        nsIPluginInstance* instance = NULL;
 	nsIPlugin* plugin = NULL;
 	const char* mimetype;
-       nsString2 strProgID (NS_INLINE_PLUGIN_PROGID_PREFIX);
+       nsString strProgID (NS_INLINE_PLUGIN_PROGID_PREFIX);
        char buf[255];  // todo: need to use a const
 		
 	if(!aURL)
diff --git a/mozilla/modules/plugin/nglsrc/nsPluginHostImpl.cpp b/mozilla/modules/plugin/nglsrc/nsPluginHostImpl.cpp
index 6127aa22b8c..f90b59401fe 100644
--- a/mozilla/modules/plugin/nglsrc/nsPluginHostImpl.cpp
+++ b/mozilla/modules/plugin/nglsrc/nsPluginHostImpl.cpp
@@ -1688,7 +1688,7 @@ NS_IMETHODIMP nsPluginHostImpl::SetUpPluginInstance(const char *aMimeType,
        nsIPluginInstance* instance = NULL;
 	nsIPlugin* plugin = NULL;
 	const char* mimetype;
-       nsString2 strProgID (NS_INLINE_PLUGIN_PROGID_PREFIX);
+       nsString strProgID (NS_INLINE_PLUGIN_PROGID_PREFIX);
        char buf[255];  // todo: need to use a const
 		
 	if(!aURL)