diff --git a/monitoring-plugins.spec b/monitoring-plugins.spec
index e9d53c9..2384708 100644
--- a/monitoring-plugins.spec
+++ b/monitoring-plugins.spec
@@ -1125,6 +1125,7 @@ find -type f -exec chmod 644 {} +
 %build
 export CFLAGS="%{optflags} -fno-strict-aliasing -DLDAP_DEPRECATED"
 autoreconf -fi
+chmod a+x NP-VERSION-GEN
 chmod +x configure # needed as configure script is not executable in 1.5..
 %configure \
 	--enable-static=no \