diff --git a/babel.nim b/babel.nim
index 14e044f..709e87b 100644
--- a/babel.nim
+++ b/babel.nim
@@ -217,7 +217,7 @@ proc buildFromDir(pkgInfo: TPackageInfo, paths: seq[string]) =
   for bin in pkgInfo.bin:
     echo("Building ", pkginfo.name, "/", bin, " using ", pkgInfo.backend,
          " backend...")
-    doCmd("nimrod $# -d:release $#" %
+    doCmd("nimrod $# -d:release \"$#\"" %
           [pkgInfo.backend, args & realDir / bin.changeFileExt("nim")])
 
 proc installFromDir(dir: string, latest: bool): string =