diff --git a/registry/coder/modules/windows-rdp/devolutions-patch.js b/registry/coder/modules/windows-rdp/devolutions-patch.js
index ef736452..2b3484d5 100644
--- a/registry/coder/modules/windows-rdp/devolutions-patch.js
+++ b/registry/coder/modules/windows-rdp/devolutions-patch.js
@@ -59,7 +59,7 @@ const formFieldEntries = {
     querySelector: "web-client-username-control input",
 
     /** @readonly */
-    value: "${CODER_USERNAME}",
+    value: JSON.parse("${CODER_USERNAME}"),
   },
 
   /** @readonly */
@@ -68,7 +68,7 @@ const formFieldEntries = {
     querySelector: "web-client-password-control input",
 
     /** @readonly */
-    value: "${CODER_PASSWORD}",
+    value: JSON.parse("${CODER_PASSWORD}"),
   },
 };