diff --git a/src/utils/misc.ts b/src/utils/misc.ts
index 4ec79e2..3a0c0cd 100644
--- a/src/utils/misc.ts
+++ b/src/utils/misc.ts
@@ -75,7 +75,7 @@ export const sendDM = async (
     ? 'Your signature is requested on the document below!'
     : 'You have received a signed document.'
 
-  const decryptionUrl = `${window.location.origin}/#${appPrivateRoutes.decryptZip}?file=${fileUrl}&key=${encryptionKey}`
+  const decryptionUrl = `${window.location.origin}/#${appPrivateRoutes.decryptZip}?file=${encodeURIComponent(fileUrl)}&key=${encodeURIComponent(encryptionKey)}`
 
   const content = `${initialLine}\n\n${decryptionUrl}\n\nDirect download${fileUrl}`