diff --git a/build_tools/cmake/iree_python.cmake b/build_tools/cmake/iree_python.cmake
index 3c1b705..a2967ad 100644
--- a/build_tools/cmake/iree_python.cmake
+++ b/build_tools/cmake/iree_python.cmake
@@ -200,7 +200,7 @@
 #   in the CMAKE_CURRENT_BINARY_DIR.
 # PACKAGE_DIRS: Python package paths to be added to PYTHONPATH.
 function(iree_local_py_test)
-  if(NOT IREE_BUILD_TESTS OR ANDROID)
+  if(NOT IREE_BUILD_TESTS OR ANDROID OR EMSCRIPTEN)
     return()
   endif()