diff --git a/libs/filabridge/include/filament/driver/DriverEnums.h b/libs/filabridge/include/filament/driver/DriverEnums.h
index d56f442ccb..126c0f7e4c 100644
--- a/libs/filabridge/include/filament/driver/DriverEnums.h
+++ b/libs/filabridge/include/filament/driver/DriverEnums.h
@@ -86,10 +86,10 @@ struct Viewport {
 };
 
 struct RenderPassFlags {
-    uint8_t clear;
-    uint8_t discardStart;
-    uint8_t discardEnd;
-    uint8_t dependencies;
+    uint8_t clear = 0;
+    uint8_t discardStart = 0;
+    uint8_t discardEnd = 0;
+    uint8_t dependencies = 0;
 
     static constexpr uint8_t DEPENDENCY_BY_REGION = 1; // see "framebuffer-local" in Vulkan spec.