diff --git a/acprep b/acprep
index 96d1ea9a..f8054848 100755
--- a/acprep
+++ b/acprep
@@ -9,7 +9,7 @@
 # build permutations I use for testing and profiling.
 
 export AUTOCONF_VERSION=2.61
-#export AUTOMAKE_VERSION=1.10
+export AUTOMAKE_VERSION=1.10
 
 cmd=$(which glibtoolize 2>&1)
 if [ -x "$cmd" ]; then