diff --git a/tool/src/main/java/migt/HTTPReqRes.java b/tool/src/main/java/migt/HTTPReqRes.java
index 5edebcd..d5db46e 100644
--- a/tool/src/main/java/migt/HTTPReqRes.java
+++ b/tool/src/main/java/migt/HTTPReqRes.java
@@ -857,7 +857,7 @@ public boolean matches_msg_type(MessageType msg_type, boolean is_request) {
                 );
             } else {
                 // this check is done to avoid matching request messages when intercepting a response
-                if (is_request != msg_type.isRequest) return false;
+                if (is_request != msg_type.msg_to_process_is_request) return false;
                 if (!msg_type.isRequest && !isResponse) return false; // this message is not containing a response
                 matchedMessage = Tools.executeChecks(
                         msg_type.checks,
diff --git a/tool/src/main/java/migt/Test.java b/tool/src/main/java/migt/Test.java
index bb39be7..9854fdf 100644
--- a/tool/src/main/java/migt/Test.java
+++ b/tool/src/main/java/migt/Test.java
@@ -449,7 +449,7 @@ public boolean execute(List<HTTPReqRes> messageList,
                     currentOP.api.vars = vars;
                 }
 
-                if (messageList.get(i).matches_msg_type(msg_type, currentOP.api.is_request)) {
+                if (messageList.get(i).matches_msg_type(msg_type, msg_type.msg_to_process_is_request)) {
                     currentOP.setAPI(new Operation_API(messageList.get(i), msg_type.msg_to_process_is_request));
                     currentOP.execute();
                     res = currentOP.getResult();