diff --git a/devtools/client/shared/curl.js b/devtools/client/shared/curl.js
index d9abf506a..5ce9e96bb 100644
--- a/devtools/client/shared/curl.js
+++ b/devtools/client/shared/curl.js
@@ -91,7 +91,7 @@ const Curl = {
     if (utils.isUrlEncodedRequest(data) ||
           ["PUT", "POST", "PATCH"].includes(data.method)) {
       postDataText = data.postDataText;
-      addPostData("--data");
+      addPostData("--data-raw");
       addPostData(utils.writePostDataTextParams(postDataText));
       ignoredHeaders.add("content-length");
     } else if (multipartRequest) {
@@ -400,7 +400,12 @@ const CurlUtils = {
    * Credit: Google DevTools
    */
   escapeStringWin: function (str) {
-    /* Replace quote by double quote (but not by \") because it is
+    /* 
+       Replace dollar sign because of commands (e.g $(cmd.exe)) in
+       powershell when using double quotes.
+       Useful details http://www.rlmueller.net/PowerShellEscape.htm
+
+       Replace quote by double quote (but not by \") because it is
        recognized by both cmd.exe and MS Crt arguments parser.
 
        Replace % by "%" because it could be expanded to an environment
@@ -414,7 +419,8 @@ const CurlUtils = {
        Replace new line outside of quotes since cmd.exe doesn't let
        to do it inside.
     */
-    return "\"" + str.replace(/"/g, "\"\"")
+    return "\"" + str.replace(/\$/g, "`$")
+                     .replace(/"/g, "\"\"")
                      .replace(/%/g, "\"%\"")
                      .replace(/\\/g, "\\\\")
                      .replace(/[\r\n]+/g, "\"^$&\"") + "\"";