diff --git a/legacy/escape/src/lib/escape_unistd.h b/legacy/escape/src/lib/escape_unistd.h
index 3fc9385e88..e18e623554 100644
--- a/legacy/escape/src/lib/escape_unistd.h
+++ b/legacy/escape/src/lib/escape_unistd.h
@@ -12,6 +12,9 @@
  * @{
  */
 
+#include <sys/syslimits.h>
+
+
 /* Path function */
 /**
  * @brief return the canonicalized absolute pathname