diff --git a/better_assert.h b/better_assert.h
index a25c83a..44439eb 100644
--- a/better_assert.h
+++ b/better_assert.h
@@ -1,11 +1,21 @@
 #include <stdio.h>
 
+#ifdef WEB
+#include <assert.h>
+#endif
+
 static inline void assert_impl(bool cond, const char *expression)
 {
 	if(!cond)
 	{
 		fprintf(stderr, "Assertion failed: %s\n", expression);
+#ifdef WEB
+		assert(false);
+#elif defined(DESKTOP)
 		__debugbreak();
+#else
+#error "Don't know how to assert for current platform configuration"
+#endif
 	}
 }
 #ifdef assert
diff --git a/codegen.c b/codegen.c
index e8f92b0..8ec3228 100644
--- a/codegen.c
+++ b/codegen.c
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <stdbool.h>
+#define DESKTOP
 #include "better_assert.h"
 
 #include "buff.h"
diff --git a/main.c b/main.c
index e38b8ab..3fbde9d 100644
--- a/main.c
+++ b/main.c
@@ -2,12 +2,18 @@
 // you will die someday
 
 #define SOKOL_IMPL
+
 #if defined(WIN32) || defined(_WIN32)
 #define DESKTOP
 #define WINDOWS
 #define SOKOL_D3D11
 #endif
 
+#if defined(__EMSCRIPTEN__)
+#define WEB
+#define SOKOL_GLES2
+#endif
+
 #ifdef WINDOWS
 #include <Windows.h>
 #include <processthreadsapi.h>
@@ -15,6 +21,7 @@
 #endif
 
 
+
 #include "buff.h"
 #include "sokol_app.h"
 #include "sokol_gfx.h"