diff --git a/benchmark-guile.in b/benchmark-guile.in
index 34f9c0646..572e00814 100644
--- a/benchmark-guile.in
+++ b/benchmark-guile.in
@@ -24,7 +24,7 @@ else
     guile=${top_builddir}/meta/guile
 fi
 
-GUILE_LOAD_PATH=$BENCHMARK_SUITE_DIR
+GUILE_LOAD_PATH="$BENCHMARK_SUITE_DIR${GUILE_LOAD_PATH:+:}$GUILE_LOAD_PATH"
 export GUILE_LOAD_PATH
 
 if [ -f "$guile" -a -x "$guile" ] ; then