diff --git a/filesystem.c b/filesystem.c
index 29db744..a76e4ca 100644
--- a/filesystem.c
+++ b/filesystem.c
@@ -406,8 +406,12 @@ int env____syscall5(int which, int *varargs) {
   unsigned char *name = (unsigned char*)varargs[0];
   int flags = varargs[1];
   int mode = varargs[2];
+    
   // No empty names allowed
   if (!name || !name[0]) return -1;
+    
+    for (int i = 0; name[i]; i++) if (name[i] == '/') name[i] = '_'; 
+    
   int index = 0;
   if (!s) return -1;
     debugString((char*)name);
diff --git a/filesystem.wasm b/filesystem.wasm
index 0ac6eaa..7091db7 100644
Binary files a/filesystem.wasm and b/filesystem.wasm differ
diff --git a/fs-asmjs-script.sh b/fs-asmjs-script.sh
index 86a42e5..62e9ec6 100644
--- a/fs-asmjs-script.sh
+++ b/fs-asmjs-script.sh
@@ -11,7 +11,7 @@ emcc -o filesystem.wasm -s EXPORTED_FUNCTIONS="['_env____syscall5', '_env____sys
 '_env__pthread_mutexattr_destroy', '_env__pthread_condattr_init', \
 '_env__pthread_getspecific', '_env__pthread_setspecific', '_env__pthread_condattr_create', '_env__pthread_condattr_setclock', '_env__pthread_condattr_destroy', '_env__pthread_key_create', \
 '_env__pthread_mutex_unlock', '_env__pthread_cond_broadcast', '_env__pthread_rwlock_rdlock', '_env__emscripten_memcpy_big', \
-'_env__internalSync', '_env__internalSync2']" -s BINARYEN=1 -s BINARYEN_ROOT="'/home/sami/emsdk/clang/e1.37.36_64bit/binaryen/'" -s SIDE_MODULE=2 filesystem.o
+'_env__internalSync', '_env__internalSync2']" -s BINARYEN=1 -s SIDE_MODULE=2 filesystem.o