diff --git a/common/port.h b/common/port.h
index cf0e90ed..8847eb0f 100644
--- a/common/port.h
+++ b/common/port.h
@@ -24,6 +24,9 @@ GNU General Public License for more details.
 		#include <sys/syslimits.h>
 		#define OS_LIB_EXT "dylib"
 		#define OPEN_COMMAND "open"
+	#elif XASH_EMSCRIPTEN
+		#define OS_LIB_EXT "wasm"
+		#define OPEN_COMMAND "???"
 	#else
 		#define OS_LIB_EXT "so"
 		#define OPEN_COMMAND "xdg-open"