diff --git a/src/lib.rs b/src/lib.rs
index 9299aa89e..0c5b36318 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -164,7 +164,7 @@ impl EguiClipboard {
     /// Gets clipboard contents. Returns [`None`] if clipboard provider is unavailable or returns an error.
     #[must_use]
     #[cfg(not(target_arch = "wasm32"))]
-    pub fn get_contents(&self) -> Option<String> {
+    pub fn get_contents(&mut self) -> Option<String> {
         self.get_contents_impl()
     }
 
@@ -185,12 +185,12 @@ impl EguiClipboard {
     }
 
     #[cfg(target_arch = "wasm32")]
-    fn set_contents_impl(&self, contents: &str) {
+    fn set_contents_impl(&mut self, contents: &str) {
         web_clipboard::clipboard_copy(contents.to_owned());
     }
 
     #[cfg(not(target_arch = "wasm32"))]
-    fn get_contents_impl(&self) -> Option<String> {
+    fn get_contents_impl(&mut self) -> Option<String> {
         if let Some(mut clipboard) = self.get() {
             match clipboard.get_text() {
                 Ok(contents) => return Some(contents),
diff --git a/src/systems.rs b/src/systems.rs
index 3544953e2..bbba72fee 100644
--- a/src/systems.rs
+++ b/src/systems.rs
@@ -56,7 +56,7 @@ pub struct InputResources<'w, 's> {
     #[cfg(all(feature = "manage_clipboard", target_arch = "wasm32"))]
     pub egui_clipboard: ResMut<'w, crate::EguiClipboard>,
     #[cfg(all(feature = "manage_clipboard", not(target_arch = "wasm32")))]
-    pub egui_clipboard: Res<'w, crate::EguiClipboard>,
+    pub egui_clipboard: ResMut<'w, crate::EguiClipboard>,
     pub keyboard_input: Res<'w, Input<KeyCode>>,
     #[system_param(ignore)]
     _marker: PhantomData<&'s ()>,