diff --git a/libs/renderengine/gl/ProgramCache.cpp b/libs/renderengine/gl/ProgramCache.cpp
index 5ff9240..f7f2d54 100644
--- a/libs/renderengine/gl/ProgramCache.cpp
+++ b/libs/renderengine/gl/ProgramCache.cpp
@@ -601,7 +601,7 @@
     }
 
     if (needs.hasTextureCoords()) {
-        fs << "varying vec2 outTexCoords;";
+        fs << "varying highp vec2 outTexCoords;";
     }
 
     if (needs.hasRoundedCorners()) {