diff --git a/configure b/configure
index 0383c76219..305d5b40fd 100755
--- a/configure
+++ b/configure
@@ -15330,7 +15330,7 @@ if test "x$ac_cv_func_sysconf" = xyes; then :
 
 fi
 
-
+else
 	ISC_PLATFORM_USETHREADS="#undef ISC_PLATFORM_USETHREADS"
 	thread_dir=nothreads
 	THREADOPTOBJS=""
diff --git a/configure.in b/configure.in
index 0f1d3b84b9..39f2b7ab6a 100644
--- a/configure.in
+++ b/configure.in
@@ -1405,7 +1405,7 @@ then
 	# Look for sysconf to allow detection of the number of processors.
 	#
 	AC_CHECK_FUNC(sysconf, AC_DEFINE(HAVE_SYSCONF),)
-
+else
 	ISC_PLATFORM_USETHREADS="#undef ISC_PLATFORM_USETHREADS"
 	thread_dir=nothreads
 	THREADOPTOBJS=""