diff --git a/Dockerfile b/Dockerfile
index e75adb1..a3e1bb9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -50,8 +50,8 @@
  && source /root/emsdk/emsdk_env.sh --build=Release \
  && emcc hello_world.cpp \
  && echo "test show-activated-paths" \
- && ./emsdk show-activated-paths | grep emscripten > a.tmp \
- && ./emsdk show-activated-paths tot-fastcomp | grep emscripten > b.tmp \
+ && /root/emsdk/emsdk show-activated-paths | grep emscripten > a.tmp \
+ && /root/emsdk/emsdk show-activated-paths tot-fastcomp | grep emscripten > b.tmp \
  && diff a.tmp b.tmp \
  && echo "test binaryen source build" \
  && /root/emsdk/emsdk install --build=Release binaryen-master-64bit