diff --git a/src/projectM-emscripten/Makefile.am b/src/projectM-emscripten/Makefile.am
index 6b053c8d84..75c6d7d24a 100644
--- a/src/projectM-emscripten/Makefile.am
+++ b/src/projectM-emscripten/Makefile.am
@@ -4,7 +4,6 @@ ${my_CFLAGS} \
 -DSYSCONFDIR=\""$(sysconfdir)"\" \
 -I${top_srcdir}/src/libprojectM \
 -I${top_srcdir}/src/libprojectM/Renderer \
-USE_SDL=2 \
 ${SDL_CFLAGS}
 
 REALSRCDIR=${top_srcdir}/src/projectM-sdl
@@ -14,5 +13,3 @@ projectW_bc_SOURCES = $(REALSRCDIR)/pmSDL.cpp $(REALSRCDIR)/projectM_SDL_main.cp
 projectW_bc_LDADD = ${SDL_LIBS}	${top_srcdir}/src/libprojectM/libprojectM.la
 projectW_bc_LDFLAGS = -static -s USE_SDL=2
 projectW_bc_PROGRAM = projectW.bc
-
-# emcc -s USE_SDL=2 -s ALLOW_MEMORY_GROWTH=1 projectW.bc -o projectW.html
diff --git a/src/projectM-emscripten/README b/src/projectM-emscripten/README
index 19773c99c2..6a3b87da6e 100644
--- a/src/projectM-emscripten/README
+++ b/src/projectM-emscripten/README
@@ -1,15 +1,19 @@
 Building w/ emscripten
 
-* Activate the emsdk
+## Crepare
+* Activate the emsdk (https://github.com/juj/emsdk#installation-instructions)
+* make sure you are in the root directory of this project
+* on fresh repositories: `./autogen.sh`
+
+## Compile
 * `emconfigure ./configure --enable-emscripten --enable-gles --enable-sdl`
 * `emmake make -j4`
 
+## Create wasm & html files
+* `cd src/projectM-emscripten`
+* `emcc -s USE_SDL=2 -s ALLOW_MEMORY_GROWTH=1 projectW.bc -o projectW.html`
 
+Does not work? Try:
 
-
-
-emcc -I../libprojectm -I../libprojectM/Renderer -Llib \
-  ../libprojectM/KeyHandler.cpp projectM_SDL_emscripten.cpp \
-  -lRenderer -lprojectM -lMilkdropPresetFactory -lprojectM -lRenderer \
-  -s USE_SDL=2 -s LEGACY_GL_EMULATION=1 \
-  -o build/projectEM.html
\ No newline at end of file
+* `mkdir vendor && cp /usr/local/Cellar/glm/xx/include/glm ./vendor/`
+* `emmake make -j4 -lvendor`