diff --git a/src/ShellCheck/AnalyzerLib.hs b/src/ShellCheck/AnalyzerLib.hs
index 32de46a..a3fa29d 100644
--- a/src/ShellCheck/AnalyzerLib.hs
+++ b/src/ShellCheck/AnalyzerLib.hs
@@ -934,7 +934,9 @@ getOpts string flags = process flags
                 more <- process rest2
                 return $ (flag1, token1) : more
 
-supportsArrays shell = shell == Bash || shell == Ksh
+supportsArrays Bash = True
+supportsArrays Ksh = True
+supportsArrays _ = False
 
 -- Returns true if the shell is Bash or Ksh (sorry for the name, Ksh)
 isBashLike :: Parameters -> Bool