diff --git a/mozilla/modules/plugin/base/src/nsPluginsDirUnix.cpp b/mozilla/modules/plugin/base/src/nsPluginsDirUnix.cpp
index 49b93301891..fc1741756d9 100644
--- a/mozilla/modules/plugin/base/src/nsPluginsDirUnix.cpp
+++ b/mozilla/modules/plugin/base/src/nsPluginsDirUnix.cpp
@@ -213,10 +213,14 @@ static PRBool LoadExtraSharedLib(const char *name, char **soname, PRBool tryToGe
 
 #define PLUGIN_MAX_NUMBER_OF_EXTRA_LIBS 32
 #define PREF_PLUGINS_SONAME "plugin.soname.list"
+#ifdef SOLARIS
+#define DEFAULT_EXTRA_LIBS_LIST "libXt" LOCAL_PLUGIN_DLL_SUFFIX ":libXext" LOCAL_PLUGIN_DLL_SUFFIX ":libXm" LOCAL_PLUGIN_DLL_SUFFIX
+#else
 #define DEFAULT_EXTRA_LIBS_LIST "libXt" LOCAL_PLUGIN_DLL_SUFFIX ":libXext" LOCAL_PLUGIN_DLL_SUFFIX
+#endif
 /*
  this function looks for
- user_pref("plugin.soname.list", "/usr/X11R6/lib/libXt.so.6:libXiext.so");
+ user_pref("plugin.soname.list", "/usr/X11R6/lib/libXt.so.6:libXext.so");
  in user's pref.js
  and loads all libs in specified order
 */