diff --git a/tests/usercontext.c b/tests/usercontext.c
index 6bb3bd73..1420df32 100644
--- a/tests/usercontext.c
+++ b/tests/usercontext.c
@@ -72,7 +72,7 @@ int main(void)
         return -1;
     }
 
-    glClearColor( 0.4f, 0.3f, 0.4f, 0.0f );
+    glClearColor( 0.4f, 0.3f, 0.4f, 1.0f );
 
 
     /* Loop until the user closes the window */