diff --git a/bash/b64 b/bash/b64
index 46514ee..7f0eb46 100755
--- a/bash/b64
+++ b/bash/b64
@@ -25,7 +25,7 @@ b64_encode() {
     encoded=${encoded::-1}=
   fi
 
-  prints %s "$encoded"
+  printf '%s\n' "$encoded"
 }
 
 b64_encode "$1"