diff --git a/sh/core/code.awk b/sh/core/code.awk
index b7da4ef..76a8e24 100644
--- a/sh/core/code.awk
+++ b/sh/core/code.awk
@@ -28,6 +28,9 @@ function extract(string, type) {
     } else if (type == "module") {
         split(string, array, "#\\.")
         return trim(array[2])
+    } else if (type == "shebang") {
+        split(string, array, "#!")
+        return trim(array[2])
     } else if ((type == "constant") || (type == "variable")) {
         split(string, array, "=")
         return trim(array[1])
@@ -152,8 +155,8 @@ BEGIN {
         }
     } else if (action == "doc") {
         # doc
-        if (match($0, RE_SHEBANG, m)) {
-            append("! " m[1])
+        if (match($0, RE_SHEBANG)) {
+            append("! " extract($0, "shebang"))
         } else if (match($0, RE_DOC, m)) {
             if (f) {
                 append($0)