diff --git a/motion.c b/motion.c
index 02c5e62..3de3b2f 100644
--- a/motion.c
+++ b/motion.c
@@ -45,7 +45,7 @@ typedef struct WbMotionStructPrivate {
 extern void wb_motor_set_position_no_mutex(WbDeviceTag, double);
 
 static const int UNDEFINED_TIME = -1;
-static const int MAX_LINE = 4096;
+#define MAX_LINE 4096
 static const double UNDEFINED_POSITION = -9999999.9;
 static WbMotionRef head = NULL;
 static const char *HEADER = "#WEBOTS_MOTION";
diff --git a/robot.c b/robot.c
index 6bb2b81..4d4cb6b 100644
--- a/robot.c
+++ b/robot.c
@@ -65,6 +65,10 @@
 #include "supervisor_private.h"
 #include "tcp_client.h"
 
+#ifdef _WIN32
+#undef wb_robot_init
+#endif
+
 #ifdef _WIN32
 #include <windows.h>  // GetCommandLine
 #else