diff --git a/tcsh.spec b/tcsh.spec
index 6623211..977f0d1 100644
--- a/tcsh.spec
+++ b/tcsh.spec
@@ -164,6 +164,11 @@ correction, a history mechanism, job control, and a C-like syntax.
     sleep 1
     kill -TERM $pid
     rm -rf $SCREENDIR $TMPDIR
+    if grep -iq failed testsuite.log
+    then
+	echo FAILED
+	exit 127
+    fi
 
 %install
     for nls in nls/*.cat ; do