diff --git a/configure b/configure
index 8eefb681f6..c777c7bc81 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in OpenLDAP: pkg/ldap/configure.in,v 1.652 2007/04/05 21:42:20 hyc Exp .
+# From configure.in OpenLDAP: pkg/ldap/configure.in,v 1.653 2007/05/09 16:17:10 hallvard Exp .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.59.
 #
@@ -24132,7 +24132,7 @@ int main(argc, argv)
 #endif
 
 	/* make sure task runs first */
-#if HAVE_THR_YIELD
+#ifdef HAVE_THR_YIELD
 	thr_yield();
 #elif defined( HAVE_SCHED_YIELD )
 	sched_yield();