--- a/options.h
+++ b/options.h
@@ -352,7 +352,9 @@ be overridden at runtime with -I. 0 disa
 #define DEFAULT_IDLE_TIMEOUT 0
 
 /* The default path. This will often get replaced by the shell */
+#ifndef DEFAULT_PATH
 #define DEFAULT_PATH "/usr/bin:/bin"
+#endif
 
 /* Some other defines (that mostly should be left alone) are defined
  * in sysoptions.h */
