diff --git a/sh/code.awk b/sh/code.awk
index 65cccd6..0d23127 100644
--- a/sh/code.awk
+++ b/sh/code.awk
@@ -59,7 +59,7 @@ BEGIN {
             print m[1]
         }
     } else if (action == "variables") {
-        if (match($0, RE_CONSTANT, m)) {
+        if (match($0, RE_VARIABLE, m)) {
             print m[1]
         }
     } else if (action == "aliases functions") {