diff --git a/tests/compat.sh b/tests/compat.sh
index 570c8e83d7..f55bb0e051 100755
--- a/tests/compat.sh
+++ b/tests/compat.sh
@@ -127,7 +127,7 @@ print_usage() {
     printf "            \tAlso available: GnuTLS (needs v3.2.15 or higher)\n"
     printf "  -M|--memcheck\tCheck memory leaks and errors.\n"
     printf "  -v|--verbose\tSet verbose output.\n"
-    printf "  -l|--list-test-cases\tList all potential test cases (No Execution)\n"
+    printf "     --list-test-cases\tList all potential test cases (No Execution)\n"
     printf "     --outcome-file\tFile where test outcomes are written\n"
     printf "                   \t(default: \$MBEDTLS_TEST_OUTCOME_FILE, none if empty)\n"
     printf "     --preserve-logs\tPreserve logs of successful tests as well\n"
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 04be26f2e9..156e94406e 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -141,9 +141,9 @@ print_usage() {
     printf "  -f|--filter\tOnly matching tests are executed (substring or BRE)\n"
     printf "  -e|--exclude\tMatching tests are excluded (substring or BRE)\n"
     printf "  -n|--number\tExecute only numbered test (comma-separated, e.g. '245,256')\n"
-    printf "  -l|--list-test-cases\tList all potential test cases (No Execution)\n"
     printf "  -s|--show-numbers\tShow test numbers in front of test names\n"
     printf "  -p|--preserve-logs\tPreserve logs of successful tests as well\n"
+    printf "     --list-test-cases\tList all potential test cases (No Execution)\n"
     printf "     --outcome-file\tFile where test outcomes are written\n"
     printf "                \t(default: \$MBEDTLS_TEST_OUTCOME_FILE, none if empty)\n"
     printf "     --port     \tTCP/UDP port (default: randomish 1xxxx)\n"