diff --git a/comphelper/source/misc/documentinfo.cxx b/comphelper/source/misc/documentinfo.cxx
index a9b9a85f7f69..46bc112578ee 100644
--- a/comphelper/source/misc/documentinfo.cxx
+++ b/comphelper/source/misc/documentinfo.cxx
@@ -187,7 +187,7 @@ namespace comphelper {
             sMessage += "\nin function:\n";
             sMessage += BOOST_CURRENT_FUNCTION;
             sMessage += "\n";
-            OSL_FAIL( sMessage );
+            OSL_FAIL( sMessage.getStr() );
         }
 
         return sTitle;
diff --git a/comphelper/source/misc/namedvaluecollection.cxx b/comphelper/source/misc/namedvaluecollection.cxx
index 6ed6cd1af22e..ff7aa8c7a8d0 100644
--- a/comphelper/source/misc/namedvaluecollection.cxx
+++ b/comphelper/source/misc/namedvaluecollection.cxx
@@ -211,7 +211,7 @@ namespace comphelper
                 ::rtl::OStringBuffer message;
                 message.append( "NamedValueCollection::impl_assign: encountered a value type which I cannot handle:\n" );
                 message.append( ::rtl::OUStringToOString( pArgument->getValueTypeName(), RTL_TEXTENCODING_ASCII_US ) );
-                OSL_FAIL( message.makeStringAndClear() );
+                OSL_FAIL( message.getStr() );
             }
 #endif
         }