diff --git a/build_web.sh b/build_web.sh
index fedacef2..d146c39e 100755
--- a/build_web.sh
+++ b/build_web.sh
@@ -16,6 +16,7 @@ BUILD=release
 rm -rf docs/*.wasm
 
 echo "Build rust:"
+# cargo build -p demo_web --target wasm32-unknown-unknown
 cargo build --release -p demo_web --target wasm32-unknown-unknown
 
 echo "Generate JS bindings for wasm:"
diff --git a/egui/src/cache.rs b/egui/src/cache.rs
index ec653b12..abf40728 100644
--- a/egui/src/cache.rs
+++ b/egui/src/cache.rs
@@ -1,6 +1,6 @@
 use std::hash::{Hash, Hasher};
 
-const SIZE: usize = 8 * 1024;
+const SIZE: usize = 1024; // must be small for web/WASM build (for unknown reason)
 
 /// Very stupid/simple key-value cache. TODO: improve
 #[derive(Clone)]