diff --git a/services/surfaceflinger/RenderEngine/ProgramCache.cpp b/services/surfaceflinger/RenderEngine/ProgramCache.cpp
index 9dc6858..338d27c 100644
--- a/services/surfaceflinger/RenderEngine/ProgramCache.cpp
+++ b/services/surfaceflinger/RenderEngine/ProgramCache.cpp
@@ -611,7 +611,7 @@
 
     fs << "void main(void) {" << indent;
     if (needs.isTexturing()) {
-        fs << "gl_FragColor = texture2D(sampler, outTexCoords);";
+        fs << "gl_FragColor = clamp(texture2D(sampler, outTexCoords), 0.0, 1.0);";
         if (needs.isY410BT2020()) {
             fs << "gl_FragColor.rgb = convertY410BT2020(gl_FragColor.rgb);";
         }