diff --git a/.github/workflows/build_cmake.yml b/.github/workflows/build_cmake.yml
index df646993..b2bc31a8 100644
--- a/.github/workflows/build_cmake.yml
+++ b/.github/workflows/build_cmake.yml
@@ -46,7 +46,7 @@ jobs:
     - name: Setup emsdk
       uses: mymindstorm/setup-emsdk@v12
       with:
-        version: 3.1.25
+        version: 3.1.41
         actions-cache-folder: 'emsdk-cache'
 
     - name: Install gcc-12
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 059d432e..811b5cd7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,7 +16,7 @@ add_subdirectory(src/ui)
 ExternalProject_Add( ui-wasm
   SOURCE_DIR ${CMAKE_SOURCE_DIR}/src/ui
   PREFIX ${PREFIX_DIR}/ui-wasm
-  CONFIGURE_COMMAND ${EMCMAKE_COMMAND} ${CMAKE_COMMAND} -G ${CMAKE_GENERATOR} -S ${CMAKE_SOURCE_DIR}/src/ui -B ${BUILD_DIR}/ui-wasm -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE} -DCMAKE_MAKE_PROGRAM:FILEPATH=${CMAKE_MAKE_PROGRAM}
+        CONFIGURE_COMMAND ${EMCMAKE_COMMAND} ${CMAKE_COMMAND} -G "Unix Makefiles" -S ${CMAKE_SOURCE_DIR}/src/ui -B ${BUILD_DIR}/ui-wasm -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE} -DCMAKE_MAKE_PROGRAM=${CMAKE_SOURCE_DIR}/emmake_make.sh
   BUILD_COMMAND cmake --build ${BUILD_DIR}/ui-wasm
   BINARY_DIR ${BUILD_DIR}/ui-wasm
   BUILD_ALWAYS 1
diff --git a/emmake_make.sh b/emmake_make.sh
new file mode 100755
index 00000000..c2043151
--- /dev/null
+++ b/emmake_make.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+#
+# this is a script for ExternalProject_add  ui-wasm
+# 
+
+emmake make $@
+
diff --git a/src/ui/emscripten_compat.h b/src/ui/emscripten_compat.h
index e00e8c24..19c6ba24 100644
--- a/src/ui/emscripten_compat.h
+++ b/src/ui/emscripten_compat.h
@@ -4,12 +4,15 @@
 // These functions are missing from emscripten's libcpp but are used by plf_colony.h
 // so implement them here for now
 
+#ifndef HAS_STD_RANGES_DISTANCE
+#if defined(__cpp_lib_ranges) && __cpp_lib_ranges >= 201911L
+#define HAS_STD_RANGES_DISTANCE 1
+#else
+#define HAS_STD_RANGES_DISTANCE 0
+#endif
+#endif
+
 namespace std {
-namespace ranges {
-auto distance(auto r) {
-    return std::distance(std::begin(r), std::end(r));
-}
-} // namespace ranges
 
 template<class I1, class I2, class Cmp>
 constexpr auto lexicographical_compare_three_way(I1 f1, I1 l1, I2 f2, I2 l2, Cmp comp)