diff --git a/programs/fileio.c b/programs/fileio.c
index a9833ae5e..0cfc968fb 100644
--- a/programs/fileio.c
+++ b/programs/fileio.c
@@ -2031,9 +2031,10 @@ static int FIO_listFile(fileInfo_t* total, const char* inFileName, int displayLe
 }
 
 int FIO_listMultipleFiles(unsigned numFiles, const char** filenameTable, int displayLevel){
-    if (!isatty(0))
-        DISPLAYOUT("zstd --list does not support reading from standard input\n");
+    if (!isatty(0)) {
+        DISPLAYOUT("zstd: --list does not support reading from standard input\n");
         return 1;
+    }
 
     if (numFiles == 0) {
         DISPLAYOUT("No files given\n");