diff --git a/README.md b/README.md
index 4231914f..582500c7 100644
--- a/README.md
+++ b/README.md
@@ -133,6 +133,7 @@ information on what to include when reporting a bug.
    `glfwGetClipboardString`
  - [Wayland] Bugfix: Data source creation error would cause double free at termination
  - [Wayland] Bugfix: Partial writes of clipboard string would cause beginning to repeat
+ - [Wayland] Bugfix: Some errors would cause clipboard string transfer to hang
 
 
 ## Contact
diff --git a/src/wl_window.c b/src/wl_window.c
index d0eef535..497b00dd 100644
--- a/src/wl_window.c
+++ b/src/wl_window.c
@@ -1733,6 +1733,7 @@ static void dataSourceHandleSend(void* userData,
     {
         _glfwInputError(GLFW_PLATFORM_ERROR,
                         "Wayland: Unknown clipboard data source");
+        close(fd);
         return;
     }
 
@@ -1740,6 +1741,7 @@ static void dataSourceHandleSend(void* userData,
     {
         _glfwInputError(GLFW_PLATFORM_ERROR,
                         "Wayland: Copy requested from an invalid string");
+        close(fd);
         return;
     }