diff --git a/ChangeLog b/ChangeLog
index 98c7ac761e..030c567a77 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2018-12-03  Samuel Thibault  <samuel.thibault@ens-lyon.org>
+
+	* scripts/gen-as-const.py (main): Avoid emitting empty line when
+	there is no element in `consts'.
+
 2018-12-01  Florian Weimer  <fweimer@redhat.com>
 
 	* support/support_capture_subprocess.c
diff --git a/scripts/gen-as-const.py b/scripts/gen-as-const.py
index b7a5744bb1..cabf401ed1 100644
--- a/scripts/gen-as-const.py
+++ b/scripts/gen-as-const.py
@@ -153,7 +153,7 @@ def main():
         print(gen_test(sym_data))
     else:
         consts = compute_c_consts(sym_data, args.cc)
-        print('\n'.join('#define %s %s' % c for c in sorted(consts.items())))
+        print(''.join('#define %s %s\n' % c for c in sorted(consts.items())), end='')
 
 if __name__ == '__main__':
     main()