diff --git a/lib/arg.nelua b/lib/arg.nelua
index 0796ff5a..0305dd85 100644
--- a/lib/arg.nelua
+++ b/lib/arg.nelua
@@ -14,10 +14,12 @@ local nelua_argv: *[0]cstring <cimport, nodecl>
 global arg: sequence(stringview, GeneralAllocator)
 
 do -- setup args
-  local narg: usize = (@usize)(nelua_argc-1)
-  arg:reserve(narg)
-  for i:usize=0,narg do
-    arg[i] = nelua_argv[i]
+  if nelua_argc > 0 then
+    local narg: usize = (@usize)(nelua_argc-1)
+    arg:reserve(narg)
+    for i:usize=0,narg do
+      arg[i] = nelua_argv[i]
+    end
   end
 end
 
diff --git a/nelua.sh b/nelua.sh
index 2a4c9e84..efe8af62 100755
--- a/nelua.sh
+++ b/nelua.sh
@@ -42,12 +42,12 @@ if [ ! -f "$NELUA_LUALIB/nelua.lua" ]; then
 fi
 
 # determine nelua's lua package path
-if [[ "$OSTYPE" = "msys" ]]; then
+if [ "$OSTYPE" = "msys" ]; then
   NELUA_PACKAGE_PATH="$(cygpath -w $NELUA_LUALIB/)"
+  NELUA_PACKAGE_PATH="$(printf "%q\n" "$NELUA_PACKAGE_PATH")"
 else
   NELUA_PACKAGE_PATH="$NELUA_LUALIB/"
 fi
-NELUA_PACKAGE_PATH="$(printf "%q\n" "$NELUA_PACKAGE_PATH")"
 
 # execute nelua compiler
 exec $NELUA_LUA -e "package.path='${NELUA_PACKAGE_PATH}?.lua;'..package.path" $NELUA_LUALIB/nelua.lua "$@"