diff --git a/embedtool.cpp b/embedtool.cpp
index 7ee9dc41..caa08df8 100644
--- a/embedtool.cpp
+++ b/embedtool.cpp
@@ -31,12 +31,12 @@ int main(int argc, char **argv) {
     const char *output = argv[2];
     const char *arrayname = argv[3];
 
-    std::ifstream inputf(input);
+    std::ifstream inputf(input, std::ios::binary);
     if (!inputf.is_open()) {
         return 2;
     }
 
-    std::ofstream outputf(output);
+    std::ofstream outputf(output, std::ios::binary);
     if (!outputf.is_open()) {
         return 3;
     }
diff --git a/meson.build b/meson.build
index d77ea755..67c86f55 100644
--- a/meson.build
+++ b/meson.build
@@ -112,7 +112,7 @@ global_args += '-DMKXPZ_INIT_GL_LATER'
 
 subdir('src')
 
-embedtool = executable('embedtool', sources: 'embedtool.cpp', native: true, override_options: [])
+embedtool = executable('embedtool', sources: 'embedtool.cpp', native: true, override_options: ['buildtype=release', 'b_coverage=false', 'b_lto=false', 'b_ndebug=false', 'b_pgo=off', 'b_sanitize=none'])
 
 subdir('binding')
 subdir('shader')