diff --git a/development/autotests/lyx2lyxtest.cmake b/development/autotests/lyx2lyxtest.cmake
index 708cd5077d..4b01ecb732 100755
--- a/development/autotests/lyx2lyxtest.cmake
+++ b/development/autotests/lyx2lyxtest.cmake
@@ -30,7 +30,7 @@ string(COMPARE NOTEQUAL  ${_err} 0 _erg)
 file(STRINGS ${errorfile} foundErrors)
 if(foundErrors)
   foreach(_l ${foundErrors})
-    if (NOT _l MATCHES "Warning: No conversion needed:")
+    if (NOT _l MATCHES "lyx2lyx warning: No conversion needed:")
       set(_erg 1)
       message(STATUS "${_l}")
   endif()