diff --git a/scripts/extension-upload.sh b/scripts/extension-upload.sh
index 32097f2..c251a08 100755
--- a/scripts/extension-upload.sh
+++ b/scripts/extension-upload.sh
@@ -58,9 +58,9 @@ cat $ext.sign >> $ext.append
 
 # compress extension binary
 if [[ $4 == wasm_* ]]; then
-  gzip < $ext.append > "$ext.compressed"
-else
   brotli < $ext.append > "$ext.compressed"
+else
+  gzip < $ext.append > "$ext.compressed"
 fi
 
 set -e