diff --git a/server/model/monitor.js b/server/model/monitor.js
index c541ecf36..48b0b1d32 100644
--- a/server/model/monitor.js
+++ b/server/model/monitor.js
@@ -249,28 +249,18 @@ class Monitor extends BeanModel {
 
                     log.debug("monitor", `[${this.name}] Prepare Options for axios`);
 
-
-
-                    // Check if this.headers already contains a content-type header set by the user; if so, don't inject one
-                    let contentTypeUserDefinedHeader = this.headers.find(function(header) {
-                        return header[0].toLowerCase() == "content-type";
-                    });
-
-                    let contentType = contentTypeUserDefinedHeader ? 
-                                        contentTypeUserDefinedHeader[1] :
-                                        null;
-
+                    let contentType = null;
                     let bodyValue = null;
                     
                     if (this.body && !this.httpBodyEncoding || this.httpBodyEncoding === "json") {
                         bodyValue = JSON.parse(this.body);
-                        contentType = contentType ? contentType : "application/json";
+                        contentType = "application/json";
                     } else if (this.body && (this.httpBodyEncoding === "xml")) {
                         bodyValue = this.body;
-                        contentType = contentType ? contentType : "text/xml";
+                        contentType = "text/xml";
                     } else if (this.body && (this.httpBodyEncoding === "form")) {
                         bodyValue = this.body;
-                        contentType = contentType ? contentType : "application/x-www-form-urlencoded";
+                        contentType = "application/x-www-form-urlencoded";
                     }
 
                     const options = {