diff --git a/sh/code.awk b/sh/code.awk
index c757118..3d1db60 100644
--- a/sh/code.awk
+++ b/sh/code.awk
@@ -46,7 +46,7 @@ BEGIN {
     RE_SHEBANG = RE_BEGIN "#!" RE_SPACES RE_ANY RE_END
     RE_VARIABLE = RE_BEGIN RE_VAR RE_SET RE_END
 
-    alias = 0
+    match_alias = 0
     command = 0
     f = ""
     reset()
@@ -130,7 +130,7 @@ BEGIN {
         } else if (match($0, RE_ALIAS, m)) {
             append("= " m[1])
             if (m[1] == target) {
-                alias = 1
+                match_alias = 1
             }
         } else if (match($0, RE_COMMAND, m)) {
             append("/ " m[1])
@@ -159,7 +159,7 @@ BEGIN {
         } else if (match($0, RE_FUNCTION, m)) {
             f = m[1]
         } else if (match($0, RE_CLOSE, m)) {
-            if (alias) {
+            if (match_alias) {
                 print "= " target
                 output(f, "function")
             } else if (command) {