diff --git a/DESCRIPTION b/DESCRIPTION
index 094ca81..abf7710 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -11,7 +11,9 @@ Authors@R: c(
     person("Brian", "Adams", email = "btadams478@gmail.com", role = "ctb",
            comment = "theme testing & feedback"),
     person("Thomas", "Wood", role = "ctb",
-           comment = "Significant suggestions & testing that made new features possible")
+           comment = "Significant suggestions & testing that made new features possible"),
+    person("Mathew", "Kiang", role = "ctb",
+           comment = "Minor fix for NA handling")
   )
 Maintainer: Bob Rudis <bob@rud.is>
 Description: Cartogram heatmaps are an alternative to choropleth maps for 'USA' States
diff --git a/R/statebins.R b/R/statebins.R
index 5433122..1fd60bb 100644
--- a/R/statebins.R
+++ b/R/statebins.R
@@ -43,10 +43,10 @@
 #'   theme_statebins(legend_position="right")
 statebins <- function(state_data,
                       state_col="state", value_col="value",
-                      dark_label = "black", light_label = "white", na_label = "white",
-                      font_size=3,
+                      dark_label="black", light_label="white",
+                      na_label="white", font_size=3,
                       state_border_col="white", state_border_size=2,
-                      round = FALSE, radius = grid::unit(6, "pt"),
+                      round=FALSE, radius=grid::unit(6, "pt"),
                       ggplot2_scale_function=ggplot2::scale_fill_distiller,
                       ...) {
 
diff --git a/R/util.R b/R/util.R
index a818050..9af4620 100644
--- a/R/util.R
+++ b/R/util.R
@@ -1,4 +1,5 @@
-.sb_invert <- function(hex_color, dark_color="black", light_color="white", na_color = "white") {
+.sb_invert <- function(hex_color, dark_color="black", light_color="white",
+                       na_color="white") {
 
   hex_color <- gsub("#", "", hex_color)
 
@@ -14,7 +15,6 @@
         YIQ >= 128, dark_color, light_color)
       )
     )
-
 }
 
 # sanity checks for state values