diff --git a/glamor/glamor.c b/glamor/glamor.c
index 5947d7ff0..4c962aca3 100644
--- a/glamor/glamor.c
+++ b/glamor/glamor.c
@@ -280,10 +280,10 @@ glamor_init(ScreenPtr screen, unsigned int flags)
         return FALSE;
 
     if (flags & GLAMOR_INVERTED_Y_AXIS) {
-        glamor_priv->yInverted = 1;
+        glamor_priv->yInverted = TRUE;
     }
     else
-        glamor_priv->yInverted = 0;
+        glamor_priv->yInverted = FALSE;
 
     if (!dixRegisterPrivateKey(glamor_screen_private_key, PRIVATE_SCREEN, 0)) {
         LogMessage(X_WARNING,
diff --git a/glamor/glamor_priv.h b/glamor/glamor_priv.h
index f2bc00255..53af3531a 100644
--- a/glamor/glamor_priv.h
+++ b/glamor/glamor_priv.h
@@ -215,7 +215,7 @@ struct glamor_saved_procs {
 #define RENDER_IDEL_MAX 32
 
 typedef struct glamor_screen_private {
-    int yInverted;
+    Bool yInverted;
     unsigned int tick;
     enum glamor_gl_flavor gl_flavor;
     int has_pack_invert;