diff --git a/include/asm/types.h b/include/asm/types.h
index 4f2fccbb..a9c07243 100644
--- a/include/asm/types.h
+++ b/include/asm/types.h
@@ -1,7 +1,9 @@
 #ifndef ASMOTOR_ASM_TYPES_H
 #define ASMOTOR_ASM_TYPES_H
 
+#ifndef _MAX_PATH
 #define	_MAX_PATH	512
+#endif
 
 typedef unsigned char UBYTE;
 typedef signed char SBYTE;
diff --git a/include/lib/types.h b/include/lib/types.h
index 89c6e34a..997702c0 100644
--- a/include/lib/types.h
+++ b/include/lib/types.h
@@ -1,7 +1,9 @@
 #ifndef ASMOTOR_LIB_TYPES_H
 #define ASMOTOR_LIB_TYPES_H
 
+#ifndef _MAX_PATH
 #define	_MAX_PATH	512
+#endif
 
 typedef unsigned char UBYTE;
 typedef signed char SBYTE;
diff --git a/include/link/mylink.h b/include/link/mylink.h
index a3f09e51..837190f4 100644
--- a/include/link/mylink.h
+++ b/include/link/mylink.h
@@ -1,7 +1,9 @@
 #ifndef ASMOTOR_LINK_LINK_H
 #define ASMOTOR_LINK_LINK_H
 
+#ifndef _MAX_PATH
 #define _MAX_PATH	512
+#endif
 
 #include "link/types.h"
 
diff --git a/include/link/types.h b/include/link/types.h
index 4e25047e..60cb29fc 100644
--- a/include/link/types.h
+++ b/include/link/types.h
@@ -1,7 +1,9 @@
 #ifndef ASMOTOR_LINK_TYPES_H
 #define ASMOTOR_LINK_TYPES_H
 
+#ifndef _MAX_PATH
 #define	_MAX_PATH	512
+#endif
 
 typedef unsigned char UBYTE;
 typedef signed char SBYTE;