diff --git a/public/build.h b/public/build.h
index f986008f..3fdfeded 100644
--- a/public/build.h
+++ b/public/build.h
@@ -194,8 +194,9 @@ Then you can use another oneliner to query all variables:
 	#define XASH_ARM   8
 #elif defined __mips__
 	#define XASH_MIPS 1
-#elif defined __EMSCRIPTEN__
-	#define XASH_JS 1
+// commented out to avoid misdetection, modern Emscripten versions target WASM only
+//#elif defined __EMSCRIPTEN__
+//	#define XASH_JS 1
 #elif defined __e2k__
 	#define XASH_64BIT 1
 	#define XASH_E2K 1