diff --git a/configure.ac b/configure.ac
index 2555ce5..7f1fc6e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@
 dnl SPDX-License-Identifier: GPL-2.0-or-later
 
 m4_syscmd([./version.sh])
-AC_INIT([isync], m4_include([VERSION]))
+AC_INIT([isync], m4_sinclude([VERSION]))
 AC_CONFIG_HEADERS([autodefs.h])
 
 AC_CANONICAL_TARGET