diff --git a/src/itk-wasm-cli.js b/src/itk-wasm-cli.js
index e908ae1e6..40c05a611 100755
--- a/src/itk-wasm-cli.js
+++ b/src/itk-wasm-cli.js
@@ -251,7 +251,9 @@ function bindgen(options) {
   }
 
   // Building for emscripten can generate duplicate .umd.wasm and .wasm binaries
-  let filteredWasmBinaries = wasmBinaries.filter(binary => !binary.endsWith('.umd.wasm'))
+  // Also filter libraries.
+  let filteredWasmBinaries = wasmBinaries.filter(binary => !binary.endsWith('.umd.wasm') && !path.basename(binary).startsWith('lib'))
+  console.log(filteredWasmBinaries)
 
   switch (iface) {
     case 'typescript':