diff --git a/Makefile.am b/Makefile.am
index 28694335a92c385a433a64442bb9966b0d51f04a..65fba901a59b3675e1c02dd4fecba3a06f1a2c0c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,3 +1,7 @@
+# Provide the full test output for failed tests when using the parallel
+# test suite (which is enabled by default with automake 1.13+).
+export VERBOSE = yes
+
 AUTOMAKE_OPTIONS = subdir-objects
 ACLOCAL_AMFLAGS = -I m4