diff --git a/scripts/dawn_features.gni b/scripts/dawn_features.gni
index 7cbb82f444..f2e95860cc 100644
--- a/scripts/dawn_features.gni
+++ b/scripts/dawn_features.gni
@@ -56,7 +56,8 @@ declare_args() {
   # dawn_swiftshader_dir variable in build_overrides/dawn.gni
   # Because of how the Vulkan loader works, setting this make Dawn only able
   # to find the Swiftshader ICD and not the others.
-  dawn_use_swiftshader = false
+  # Enabled by default when fuzzing.
+  dawn_use_swiftshader = build_with_chromium && use_fuzzing_engine
 
   # Enables error injection for faking failures to native API calls
   dawn_enable_error_injection =