diff --git a/configure.ac b/configure.ac
index d3b6ed8..e95b493 100644
--- a/configure.ac
+++ b/configure.ac
@@ -32,10 +32,8 @@
 AC_INIT([gammalib], [0.8.0], [jurgen.knodlseder@irap.omp.eu], [gammalib])
 AC_CONFIG_SRCDIR([src/support/GTools.cpp])
 AC_CONFIG_MACRO_DIR([m4])
-#AM_INIT_AUTOMAKE([gnu no-dependencies])
 AM_INIT_AUTOMAKE([gnu no-dependencies -Wno-portability])
-#AM_INIT_AUTOMAKE([gnu -Wno-portability])
-AM_CONFIG_HEADER([config.h])
+AC_CONFIG_HEADER([config.h])
 
 
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