diff --git a/libs/surfaceflinger/LayerBuffer.cpp b/libs/surfaceflinger/LayerBuffer.cpp
index 740b8cd..8a582da 100644
--- a/libs/surfaceflinger/LayerBuffer.cpp
+++ b/libs/surfaceflinger/LayerBuffer.cpp
@@ -622,9 +622,9 @@
 void LayerBuffer::OverlaySource::onDraw(const Region& clip) const
 {
     // this would be where the color-key would be set, should we need it.
-    GLclampx red = 0;
-    GLclampx green = 0;
-    GLclampx blue = 0;
+    GLclampf red = 0;
+    GLclampf green = 0;
+    GLclampf blue = 0;
     mLayer.clearWithOpenGL(clip, red, green, blue, 0);
 }