diff --git a/components/library/src/taxonomies/mod.rs b/components/library/src/taxonomies/mod.rs
index 4c9f1076..a2803b79 100644
--- a/components/library/src/taxonomies/mod.rs
+++ b/components/library/src/taxonomies/mod.rs
@@ -189,7 +189,10 @@ pub fn find_taxonomies(config: &Config, library: &Library) -> Result<Vec<Taxonom
     let taxonomies_def = {
         let mut m = HashMap::new();
         for t in &config.taxonomies {
-            m.insert(format!("{}-{}", t.name, t.lang), t);
+             m.insert(
+                format!("{}-{}", slugify_paths(&t.name, config.slugify.taxonomies), t.lang),
+                t,
+            );
         }
         m
     };
@@ -197,7 +200,8 @@ pub fn find_taxonomies(config: &Config, library: &Library) -> Result<Vec<Taxonom
     let mut all_taxonomies = HashMap::new();
     for (key, page) in library.pages() {
         for (name, val) in &page.meta.taxonomies {
-            let taxo_key = format!("{}-{}", name, page.lang);
+            let taxo_key =
+                format!("{}-{}", slugify_paths(name, config.slugify.taxonomies), page.lang);
             if taxonomies_def.contains_key(&taxo_key) {
                 all_taxonomies.entry(taxo_key.clone()).or_insert_with(HashMap::new);
 
@@ -710,4 +714,70 @@ mod tests {
         );
         assert_eq!(categories.items[1].pages.len(), 1);
     }
+        #[test]
+    fn taxonomies_are_groupted_by_slug() {
+        let mut config = Config::default();
+        let mut library = Library::new(2, 0, false);
+
+        config.taxonomies = vec![
+            TaxonomyConfig {
+                name: "test-taxonomy".to_string(),
+                lang: config.default_language.clone(),
+                ..TaxonomyConfig::default()
+            },
+            TaxonomyConfig {
+                name: "test taxonomy".to_string(),
+                lang: config.default_language.clone(),
+                ..TaxonomyConfig::default()
+            },
+            TaxonomyConfig {
+                name: "test-taxonomy ".to_string(),
+                lang: config.default_language.clone(),
+                ..TaxonomyConfig::default()
+            },
+            TaxonomyConfig {
+                name: "Test-Taxonomy ".to_string(),
+                lang: config.default_language.clone(),
+                ..TaxonomyConfig::default()
+            },
+        ];
+
+        let mut page1 = Page::default();
+        let mut taxo_page1 = HashMap::new();
+        taxo_page1
+            .insert("test-taxonomy".to_string(), vec!["term1".to_string(), "term2".to_string()]);
+        page1.meta.taxonomies = taxo_page1;
+        page1.lang = config.default_language.clone();
+        library.insert_page(page1);
+
+        let mut page2 = Page::default();
+        let mut taxo_page2 = HashMap::new();
+        taxo_page2
+            .insert("test taxonomy".to_string(), vec!["term2".to_string(), "term3".to_string()]);
+        page2.meta.taxonomies = taxo_page2;
+        page2.lang = config.default_language.clone();
+        library.insert_page(page2);
+
+        let mut page3 = Page::default();
+        let mut taxo_page3 = HashMap::new();
+        taxo_page3.insert("test-taxonomy ".to_string(), vec!["term4".to_string()]);
+        page3.meta.taxonomies = taxo_page3;
+        page3.lang = config.default_language.clone();
+        library.insert_page(page3);
+
+        let mut page4 = Page::default();
+        let mut taxo_page4 = HashMap::new();
+        taxo_page4.insert("Test-Taxonomy ".to_string(), vec!["term8".to_string()]);
+        page4.meta.taxonomies = taxo_page4;
+        page4.lang = config.default_language.clone();
+        library.insert_page(page4);
+
+        // taxonomies get merged correctly
+        let taxonomies = find_taxonomies(&config, &library).unwrap();
+        assert_eq!(taxonomies.len(), 1);
+
+        // merged taxonomies contains all of the terms
+        let term = taxonomies.iter().next().unwrap();
+        assert_eq!(term.items.len(), 5);
+    }
 }
diff --git a/docs/content/documentation/content/taxonomies.md b/docs/content/documentation/content/taxonomies.md
index b7544b89..984947d7 100644
--- a/docs/content/documentation/content/taxonomies.md
+++ b/docs/content/documentation/content/taxonomies.md
@@ -64,4 +64,4 @@ The taxonomy pages are then available at the following paths:
 $BASE_URL/$NAME/ (taxonomy)
 $BASE_URL/$NAME/$SLUG (taxonomy entry)
 ```
-
+Note that taxonomies are case insensitive so terms that have the same slug will get merged, e.g. sections and pages containing the tag "example" will be shown in the same taxonomy page as ones containing "Example"