diff --git a/ports/nrf/qstrdefsport.h b/ports/nrf/qstrdefsport.h
index 9608dbb247..3cc2f1e646 100644
--- a/ports/nrf/qstrdefsport.h
+++ b/ports/nrf/qstrdefsport.h
@@ -27,6 +27,12 @@
 // qstrs specific to this port
 // *FORMAT-OFF*
 
+// Entries for sys.path
+Q(/flash)
+
+// For uos.sep
+Q(/)
+
 Q(a)
 Q(a#)
 Q(a#:1)
@@ -138,4 +144,3 @@ Q(r4:2)
 Q(r:1)
 Q(r:2)
 Q(r:3)
-