diff --git a/bin/makefile-emscripten.wasm-wasm b/bin/makefile-emscripten.wasm-wasm
index f092375..64b631a 100644
--- a/bin/makefile-emscripten.wasm-wasm
+++ b/bin/makefile-emscripten.wasm-wasm
@@ -4,14 +4,20 @@ CC = emcc $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)sdl.o
 
-XFLAGS = -DSDL
+XFLAGS = -DSDL -sUSE_SDL=2
 
 # OPTFLAGS is normally -O2.
-OPTFLAGS =  -O2 -g3
+OPTFLAGS = -O2
 DFLAGS = $(XFLAGS) -DRELEASE=351
 
+MEDLEY?=../../medley
+SYSOUT?=$(MEDLEY)/loadups/full.sysout
+
 LD = emcc
-LDFLAGS = -sUSE_SDL=2 -sASYNCIFY -sALLOW_MEMORY_GROWTH --preload-file $(SYSOUT)@full.sysout
+LDFLAGS = -sUSE_SDL=2 -sASYNCIFY -sALLOW_MEMORY_GROWTH \
+	--preload-file $(SYSOUT)@medley/loadups/full.sysout \
+	--preload-file $(MEDLEY)/greetfiles/EMSCRIPTEN-INIT.LCOM@usr/local/lde/site-init.lisp \
+	--preload-file $(MEDLEY)/lispusers/BACKGROUND-YIELD.LCOM@medley/lispusers/BACKGROUND-YIELD.LCOM
 LDELDFLAGS =
 
 OBJECTDIR = ../$(RELEASENAME)/
diff --git a/src/lde.html b/src/lde.html
index 3ddffcd..3c7f8cc 100644
--- a/src/lde.html
+++ b/src/lde.html
@@ -11,7 +11,7 @@
     </div>
     <script type="text/javascript">
       var Module = {
-          arguments: ["full.sysout"],
+          arguments: ["medley/loadups/full.sysout"],
           canvas: (function() { return document.getElementById('canvas'); })()
       };
     </script>