diff --git a/DESCRIPTION b/DESCRIPTION
index 247febd..701e147 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -60,7 +60,8 @@ Suggests:
 	  tibble,
     withr,
     quarto,
-    spelling
+    spelling,
+    vdiffr
 Config/testthat/edition: 3
 Encoding: UTF-8
 RoxygenNote: 7.3.2
diff --git a/R/summarize_cat_cat_data.R b/R/summarize_cat_cat_data.R
index aeca463..96c278c 100644
--- a/R/summarize_cat_cat_data.R
+++ b/R/summarize_cat_cat_data.R
@@ -3,9 +3,11 @@
 # Helper function to create overarching factor variable for the response categories column
 category_var_as_fct <-
   function(data_summary, fct_unions) {
+
     data_summary$.category <- factor(x = data_summary$.category,
                                      levels = fct_unions,
-                                     labels = fct_unions)
+                                     labels = fct_unions,
+                                     exclude = NULL)
     data_summary
   }
 
diff --git a/tests/testthat/_snaps/make_content.cat_plot_html/unused-categories-in-legend.svg b/tests/testthat/_snaps/make_content.cat_plot_html/unused-categories-in-legend.svg
new file mode 100644
index 0000000..74a7241
--- /dev/null
+++ b/tests/testthat/_snaps/make_content.cat_plot_html/unused-categories-in-legend.svg
@@ -0,0 +1,201 @@
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+<rect x='613.97' y='257.05' width='17.28' height='17.28' style='stroke-width: 1.07; stroke: none; fill: #FFFFFF;' />
+<rect x='614.68' y='257.76' width='15.86' height='15.86' style='stroke-width: 1.07; stroke: none; stroke-linecap: butt; stroke-linejoin: miter; fill: #F8766D;' />
+<rect x='613.97' y='274.33' width='17.28' height='17.28' style='stroke-width: 1.07; stroke: none; fill: #FFFFFF;' />
+<rect x='614.68' y='275.04' width='15.86' height='15.86' style='stroke-width: 1.07; stroke: none; stroke-linecap: butt; stroke-linejoin: miter; fill: #7CAE00;' />
+<rect x='613.97' y='291.61' width='17.28' height='17.28' style='stroke-width: 1.07; stroke: none; fill: #FFFFFF;' />
+<rect x='614.68' y='292.32' width='15.86' height='15.86' style='stroke-width: 1.07; stroke: none; stroke-linecap: butt; stroke-linejoin: miter; fill: #00BFC4;' />
+<rect x='613.97' y='308.89' width='17.28' height='17.28' style='stroke-width: 1.07; stroke: none; fill: #FFFFFF;' />
+<rect x='614.68' y='309.60' width='15.86' height='15.86' style='stroke-width: 1.07; stroke: none; stroke-linecap: butt; stroke-linejoin: miter; fill: #C77CFF;' />
+<text x='636.73' y='268.72' style='font-size: 8.80px; font-family: sans;' textLength='68.49px' lengthAdjust='spacingAndGlyphs'>Strongly disagree</text>
+<text x='636.73' y='286.00' style='font-size: 8.80px; font-family: sans;' textLength='77.79px' lengthAdjust='spacingAndGlyphs'>Somewhat disagree</text>
+<text x='636.73' y='303.28' style='font-size: 8.80px; font-family: sans;' textLength='66.54px' lengthAdjust='spacingAndGlyphs'>Somewhat agree</text>
+<text x='636.73' y='320.56' style='font-size: 8.80px; font-family: sans;' textLength='57.24px' lengthAdjust='spacingAndGlyphs'>Strongly agree</text>
+<text x='73.40' y='14.56' style='font-size: 13.20px; font-family: sans;' textLength='167.33px' lengthAdjust='spacingAndGlyphs'>Unused categories in legend</text>
+</g>
+</svg>
diff --git a/tests/testthat/test-make_content.cat_plot_html.R b/tests/testthat/test-make_content.cat_plot_html.R
new file mode 100644
index 0000000..7fda682
--- /dev/null
+++ b/tests/testthat/test-make_content.cat_plot_html.R
@@ -0,0 +1,8 @@
+testthat::test_that("show.legend works with unused categories", {
+    vdiffr::expect_doppelganger(title = "Unused categories in legend",
+                                fig = {
+      saros.contents::ex_survey |>
+        dplyr::filter(dplyr::if_all(p_1:p_4, ~.x != "Strongly agree")) |>
+        saros.contents::makeme(dep=p_1:p_4, indep=x1_sex)
+    })
+})