diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index e13c74f..aecc256 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1006,6 +1006,8 @@
             // which we maintain for backwards compatibility.
             config.cacheUltraHDR =
                     base::GetBoolProperty("ro.surface_flinger.prime_shader_cache.ultrahdr"s, false);
+            config.cacheEdgeExtension =
+                    base::GetBoolProperty("debug.sf.edge_extension_shader"s, true);
             return getRenderEngine().primeCache(config);
         });