diff --git a/src/win32_opengl.c b/src/win32_opengl.c
index 0bcfe452..c326dac7 100644
--- a/src/win32_opengl.c
+++ b/src/win32_opengl.c
@@ -411,7 +411,7 @@ static GLboolean createContext(_GLFWwindow* window,
 
         if (wndconfig->glRobustness)
         {
-            int strategy;
+            int strategy = 0;
 
             if (!window->WGL.ARB_create_context_robustness)
             {