diff --git a/src/protocol/http/org/apache/jmeter/protocol/http/proxy/DefaultSamplerCreator.java b/src/protocol/http/org/apache/jmeter/protocol/http/proxy/DefaultSamplerCreator.java
index c548e4c..425a712 100644
--- a/src/protocol/http/org/apache/jmeter/protocol/http/proxy/DefaultSamplerCreator.java
+++ b/src/protocol/http/org/apache/jmeter/protocol/http/proxy/DefaultSamplerCreator.java
@@ -199,7 +199,11 @@ public class DefaultSamplerCreator extends AbstractSamplerCreator {
                 // It is the most common post request, with parameter name and values
                 // We also assume this if no content type is present, to be most backwards compatible,
                 // but maybe we should only parse arguments if the content type is as expected
-                sampler.parseArguments(postData.trim(), contentEncoding); //standard name=value postData
+                if (postData.trim().indexOf('=') >= 0) {
+                    sampler.parseArguments(postData.trim(), contentEncoding); //standard name=value postData
+                } else {
+                    sampler.addNonEncodedArgument("", postData, ""); //used when postData has seems to be not of the format name=value
+                }
             } else if (postData.length() > 0) {
                 if (isBinaryContent(contentType)) {
                     try {