diff --git a/index.html b/index.html
index e0c5c29..59dd421 100644
--- a/index.html
+++ b/index.html
@@ -10,7 +10,7 @@
     <title>eframe template</title>
 
     <!-- config for our rust wasm binary. go to https://trunkrs.dev/assets/#rust for more customization -->
-    <link data-trunk rel="rust" data-target-name="eframe-template" data-wasm-opt="2" />
+    <link data-trunk rel="rust" data-target-name="waterfall" data-wasm-opt="2" />
     <!-- this is the base url relative to which other urls will be constructed. trunk will insert this from the public-url option -->
     <base data-trunk-public-url />
 
diff --git a/src/app/waterfall.rs b/src/app/waterfall.rs
index bfbd1c1..d33524a 100644
--- a/src/app/waterfall.rs
+++ b/src/app/waterfall.rs
@@ -217,7 +217,7 @@ impl Waterfall {
             gl.tex_image_2d(
                 TEXTURE_2D,
                 0,
-                if cfg!(target_os = "android") {
+                if cfg!(target_os = "android") || cfg!(target_arch = "wasm32") {
                     glow::RGB
                 } else {
                     glow::SRGB
@@ -250,6 +250,8 @@ impl Waterfall {
                     }
                 "#,
                 r#"
+                    precision mediump float;
+
                     out vec4 FragColor;
 
                     in vec3 ourColor;