diff --git a/src/win32_window.c b/src/win32_window.c
index 444254cd9..31ecbc47a 100644
--- a/src/win32_window.c
+++ b/src/win32_window.c
@@ -893,7 +893,7 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM l
             }
 
             _glfwInputChar(window, (uint32_t) wParam, getKeyMods(), GLFW_TRUE);
-            return TRUE;
+            return 0;
         }
 
         case WM_KEYDOWN: