diff --git a/configure.in b/configure.in
index 46dd8317defa8a026a557826314d40725afd18d3..8d1fcf704613c3d89e4505bd5465e4eb76573da1 100644
--- a/configure.in
+++ b/configure.in
@@ -1591,7 +1591,7 @@ if test "$with_debug" = "no"
 then
   AC_ARG_WITH([fast-mutexes],
               AC_HELP_STRING([--with-fast-mutexes], 
-              [compile with fast mutexes (default is enabled)]),
+              [Compile with fast mutexes (default is disabled)]),
               [with_fast_mutexes=$withval], [with_fast_mutexes=no])
 fi