diff --git a/deltachat-rpc-server/npm-package/scripts/src/convert_platform.py b/deltachat-rpc-server/npm-package/scripts/src/convert_platform.py
index d7fe6ab51..5b5f5b3f5 100644
--- a/deltachat-rpc-server/npm-package/scripts/src/convert_platform.py
+++ b/deltachat-rpc-server/npm-package/scripts/src/convert_platform.py
@@ -2,7 +2,7 @@ def convert_cpu_arch_to_npm_cpu_arch(arch):
     if arch == "x86_64":
         return "x64"
     if arch == "i686":
-        return "i32"
+        return "ia32"
     if arch == "aarch64":
         return "arm64"
     if arch == "armv7" or arch == "arm":