diff --git a/egui_demo_app/src/apps/custom3d.rs b/egui_demo_app/src/apps/custom3d.rs
index 95b86a6e..bd2ccc36 100644
--- a/egui_demo_app/src/apps/custom3d.rs
+++ b/egui_demo_app/src/apps/custom3d.rs
@@ -85,7 +85,7 @@ impl RotatingTriangle {
         let shader_version = if cfg!(target_arch = "wasm32") {
             "#version 300 es"
         } else {
-            "#version 410"
+            "#version 330"
         };
 
         unsafe {
diff --git a/examples/custom_3d_glow/src/main.rs b/examples/custom_3d_glow/src/main.rs
index b1cdd1d2..e182ac12 100644
--- a/examples/custom_3d_glow/src/main.rs
+++ b/examples/custom_3d_glow/src/main.rs
@@ -100,7 +100,7 @@ impl RotatingTriangle {
         let shader_version = if cfg!(target_arch = "wasm32") {
             "#version 300 es"
         } else {
-            "#version 410"
+            "#version 330"
         };
 
         unsafe {