diff --git a/sal/inc/osl/module.hxx b/sal/inc/osl/module.hxx
index c8d39a2ed6ac..0d7bca644d92 100644
--- a/sal/inc/osl/module.hxx
+++ b/sal/inc/osl/module.hxx
@@ -147,7 +147,7 @@ public:
 
         @see getSymbol
     */
-    oslGenericFunction SAL_CALL getFunctionSymbol( const ::rtl::OUString& ustrFunctionSymbolName )
+    oslGenericFunction SAL_CALL getFunctionSymbol( const ::rtl::OUString& ustrFunctionSymbolName ) const
     {
         return ( osl_getFunctionSymbol( m_Module, ustrFunctionSymbolName.pData ) );
     }