diff --git a/Makefile.am b/Makefile.am
index 418a3b9..fa8bf4c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -25,7 +25,7 @@
 
 docdir = $(LIBTIFF_DOCDIR)
 
-AUTOMAKE_OPTIONS = 1.12 dist-zip foreign
+AUTOMAKE_OPTIONS = 1.11 dist-zip foreign
 ACLOCAL_AMFLAGS = -I m4
 
 docfiles = \
diff --git a/test/Makefile.am b/test/Makefile.am
index 2052487..227f228 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -23,7 +23,7 @@
 
 # Process this file with automake to produce Makefile.in.
 
-AUTOMAKE_OPTIONS = 1.12 color-tests parallel-tests foreign
+AUTOMAKE_OPTIONS = 1.11 color-tests parallel-tests foreign
 
 LIBTIFF = $(top_builddir)/libtiff/libtiff.la