diff --git a/script/fetch-emscripten b/script/fetch-emscripten
index f8b96acc..3e219286 100755
--- a/script/fetch-emscripten
+++ b/script/fetch-emscripten
@@ -29,5 +29,6 @@ EMSDK_DIR="./target/emsdk"
 
 (
   source "$EMSDK_DIR/emsdk_env.sh" > /dev/null
+  emcc --version >&2
   declare -px
 )