diff --git a/test/run-tests.sh b/test/run-tests.sh
index 87b0f13245419bd6fed716a35365e4b727cc3350..acc4cdb95da492357e947db8dbe30d237f8cf37f 100755
--- a/test/run-tests.sh
+++ b/test/run-tests.sh
@@ -15,7 +15,7 @@ usage () {
     echo "    allegro, allegro8, allegromodern, allegromodern8,"
     echo "    allegro_s, allegro8_s, allegromodern_s, allegromodern8_s (SMP variants)"
     echo "    allegro_64, allegro8_64, allegromodern_64, allegromodern8_64 (64-bit variants),"
-    echo "    allegro_64_S, allegro8_64_S, allegromodern_64_S, allegromodern8_64_S, (SMP, 64-bit variants)"
+    echo "    allegro_64_s, allegro8_64_s, allegromodern_64_s, allegromodern8_64_s, (SMP, 64-bit variants)"
     echo "    clisp, cmucl, ecl, gcl, sbcl, scl and xcl."
     echo " To configure the script, you may set environment variables to point to the various lisp runtimes."
     echo " Allegro CL is a special case: instead of setting environment variables for the specific runtime"