diff --git a/include/hardware/overlay.h b/include/hardware/overlay.h
index 42fb014..c56a974 100644
--- a/include/hardware/overlay.h
+++ b/include/hardware/overlay.h
@@ -54,9 +54,9 @@
 /* values for copybit_set_parameter(OVERLAY_TRANSFORM) */
 enum {
     /* flip source image horizontally */
-    OVERLAY_TRANSFORM_FLIP_H    = HAL_TRANSFORM_FLIP_V,
+    OVERLAY_TRANSFORM_FLIP_H    = HAL_TRANSFORM_FLIP_H,
     /* flip source image vertically */
-    OVERLAY_TRANSFORM_FLIP_V    = HAL_TRANSFORM_FLIP_H,
+    OVERLAY_TRANSFORM_FLIP_V    = HAL_TRANSFORM_FLIP_V,
     /* rotate source image 90 degrees */
     OVERLAY_TRANSFORM_ROT_90    = HAL_TRANSFORM_ROT_90,
     /* rotate source image 180 degrees */