diff --git a/packages/fiber/src/core/index.tsx b/packages/fiber/src/core/index.tsx
index 41f4635e72..07b2457dcf 100644
--- a/packages/fiber/src/core/index.tsx
+++ b/packages/fiber/src/core/index.tsx
@@ -179,6 +179,7 @@ function createRoot<TCanvas extends Element>(canvas: TCanvas): ReconcilerRoot<TC
       const toneMapping = flat ? THREE.NoToneMapping : THREE.ACESFilmicToneMapping
       if (gl.outputEncoding !== outputEncoding) gl.outputEncoding = outputEncoding
       if (gl.toneMapping !== toneMapping) gl.toneMapping = toneMapping
+      if (!gl.physicallyCorrectLights) gl.physicallyCorrectLights = true
 
       // Set gl props
       if (glConfig && !is.fun(glConfig) && !isRenderer(glConfig) && !is.equ(glConfig, gl, shallowLoose))