diff --git a/src/robot_state_RT.cpp b/src/robot_state_RT.cpp
index a81951c..602f310 100644
--- a/src/robot_state_RT.cpp
+++ b/src/robot_state_RT.cpp
@@ -304,7 +304,7 @@ void RobotStateRT::unpack(uint8_t * buf) {
 
 	offset += sizeof(len);
 	len = ntohl(len);
-	if (version_ < 3.1 & len != 1044) {
+	if (version_ > 3. & version_ < 3.1 & len != 1044) {
 		//In 3.0, every 4th? package is malformed...?
 		//printf("Len: %i\n", len);
 		val_lock_.unlock();