diff --git a/truth-table-web-wrapper b/truth-table-web-wrapper
index d2edcb6..f15f282 100755
--- a/truth-table-web-wrapper
+++ b/truth-table-web-wrapper
@@ -1,7 +1,9 @@
 #!/bin/sh
 
+SBCL=${SBCL:-sbcl}
+
 # Use Quicklisp instead of ASDF to silence the output
-exec sbcl --noinform \
-          --eval '(format *error-output* "Loading systems...~%")' \
-          --eval '(ql:quickload :truth-table/web :silent t)' \
-          --eval '(truth-table/web:toplevel)' "${@}"
+exec ${SBCL} --noinform \
+             --eval '(format *error-output* "Loading systems...~%")' \
+             --eval '(ql:quickload :truth-table/web :silent t)' \
+             --eval '(truth-table/web:toplevel)' "${@}"