diff --git a/sanei/sanei_access.c b/sanei/sanei_access.c
index 0a3e5600c..66ba19464 100644
--- a/sanei/sanei_access.c
+++ b/sanei/sanei_access.c
@@ -58,6 +58,10 @@
 #include "../include/sane/sanei_debug.h"
 #include "../include/sane/sanei_access.h"
 
+#ifndef PATH_MAX
+# define PATH_MAX	1024
+#endif
+
 #define PID_BUFSIZE  50
 
 #define PROCESS_SELF  0