diff --git a/DESCRIPTION b/DESCRIPTION
index b8f40a0..87774f9 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Encoding: UTF-8
 Type: Package
 Package: fastTopics
-Version: 0.7-03
+Version: 0.7-05
 Date: 2024-01-29
 Title: Fast Algorithms for Fitting Topic Models and Non-Negative
     Matrix Factorizations to Count Data
diff --git a/R/structure_plot.R b/R/structure_plot.R
index fa44f54..e5872c0 100644
--- a/R/structure_plot.R
+++ b/R/structure_plot.R
@@ -328,6 +328,9 @@ plot.multinom_topic_model_fit <- function (x, ...)
 #'   \code{ticks = NULL}.
 #'
 #' @param font.size Font size used in plot.
+#'
+#' @param linewidth Passed as the \dQuote{linewidth} argument to
+#'   \code{\link[ggplot2]{geom_col}}.
 #' 
 #' @importFrom ggplot2 ggplot
 #' @importFrom ggplot2 aes_string
@@ -344,13 +347,11 @@ plot.multinom_topic_model_fit <- function (x, ...)
 #' @export
 #'
 structure_plot_ggplot_call <- function (dat, colors, ticks = NULL,
-                                        font.size = 9)
-  ggplot(dat,aes_string(x = "sample",y = "prop",color = "topic",
-                        fill = "topic")) +
-    geom_col() +
+                                        font.size = 9, linewidth = 0)
+  ggplot(dat,aes_string(x = "sample",y = "prop",fill = "topic")) +
+    geom_col(linewidth = linewidth) +
     scale_x_continuous(limits = c(0,max(dat$sample) + 1),breaks = ticks,
                        labels = names(ticks)) +
-    scale_color_manual(values = colors) +
     scale_fill_manual(values = colors) +
     labs(x = "",y = "topic proportion") +
     theme_cowplot(font.size) +
diff --git a/man/structure_plot.Rd b/man/structure_plot.Rd
index 551a937..ca807ed 100644
--- a/man/structure_plot.Rd
+++ b/man/structure_plot.Rd
@@ -27,7 +27,13 @@ structure_plot_default_embed_method(fit, ...)
 
 \method{plot}{multinom_topic_model_fit}(x, ...)
 
-structure_plot_ggplot_call(dat, colors, ticks = NULL, font.size = 9)
+structure_plot_ggplot_call(
+  dat,
+  colors,
+  ticks = NULL,
+  font.size = 9,
+  linewidth = 0
+)
 }
 \arguments{
 \item{fit}{An object of class \dQuote{poisson_nmf_fit} or
@@ -110,6 +116,9 @@ axis, and their names. For data that are not grouped, use
 \code{ticks = NULL}.}
 
 \item{font.size}{Font size used in plot.}
+
+\item{linewidth}{Passed as the \dQuote{linewidth} argument to
+\code{\link[ggplot2]{geom_col}}.}
 }
 \value{
 A \code{ggplot} object.