diff --git a/NEWS.md b/NEWS.md
index c0e02dfd..1c70e2bb 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -4,6 +4,8 @@
 
 * replace `rgrass7` with `rgrass` in vignette
 
+* fix #133 (`edit.nb` affected by not attaching `sp`)
+
 # Version 1.2-8 (2023-02-28)
 
 * `mat2listw()` warning if no `style=` argument given, or if `M"` is given https://github.com/r-spatial/spatialreg/issues/24, https://github.com/r-spatial/spatialreg/issues/23. 
diff --git a/R/edit.nb.R b/R/edit.nb.R
index 0be7df05..5a4def48 100644
--- a/R/edit.nb.R
+++ b/R/edit.nb.R
@@ -27,7 +27,7 @@ edit.nb <- function(name, coords, polys=NULL, ..., use_region.id=FALSE) {
   plot.window(xlim = xlim, ylim = ylim, "", asp=1)
   if (!is.null(polys))
     if (inherits(polys, "SpatialPolygons"))
-        plot(polys, border="grey", add=TRUE)
+        sp::plot(polys, border="grey", add=TRUE)
     else stop("polys of unknown class")
 # bug report Conceicao Ribeiro 100731
   for (i in 1:n) {
@@ -135,7 +135,7 @@ edit.nb <- function(name, coords, polys=NULL, ..., use_region.id=FALSE) {
       plot.new()
       plot.window(xlim = xlim, ylim = ylim, "", asp=1)
       if (!is.null(polys))
-         plot(polys, border="grey", add=TRUE)
+         sp::plot(polys, border="grey", add=TRUE)
       for (i in 1:n) {
         if(nb[[i]][1]!=0 & length(nb[[i]])>0L)
           segments(x[i],y[i],x[nb[[i]]],y[nb[[i]]])