diff --git a/common/utils/itti/intertask_interface.c b/common/utils/itti/intertask_interface.c
index ac11444295c331773f301d3e3f9eae9df79e2a39..e73fa8a04f6fc2d4c595f58d13aa9c3152ef5c4d 100644
--- a/common/utils/itti/intertask_interface.c
+++ b/common/utils/itti/intertask_interface.c
@@ -43,6 +43,10 @@
 # include <rtai_shm.h>
 #endif
 
+#if !defined(TRUE)
+#define TRUE 1
+#endif
+
 #include "liblfds611.h"
 
 #include "assertions.h"