diff --git a/src/internal.h b/src/internal.h
index 72012b9e..7ef6d6a3 100644
--- a/src/internal.h
+++ b/src/internal.h
@@ -256,7 +256,7 @@ void _glfwPlatformSetTime(double time);
 
 // Window management
 int  _glfwPlatformOpenWindow(_GLFWwindow* window, const _GLFWwndconfig* wndconfig, const _GLFWfbconfig* fbconfig);
-int  _glfwPlatformMakeWindowCurrent(_GLFWwindow* window);
+void _glfwPlatformMakeWindowCurrent(_GLFWwindow* window);
 void _glfwPlatformCloseWindow(_GLFWwindow* window);
 void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title);
 void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height);
diff --git a/src/x11/x11_window.c b/src/x11/x11_window.c
index f816b2a0..ba0e59b9 100644
--- a/src/x11/x11_window.c
+++ b/src/x11/x11_window.c
@@ -1451,7 +1451,7 @@ int _glfwPlatformOpenWindow(_GLFWwindow* window,
 // Make the OpenGL context associated with the specified window current
 //========================================================================
 
-int _glfwPlatformMakeWindowCurrent(_GLFWwindow* window)
+void _glfwPlatformMakeWindowCurrent(_GLFWwindow* window)
 {
     if (window)
     {