diff --git a/nfstream/engine/dependencies/build.sh b/nfstream/engine/dependencies/build.sh
index 7953d14..e51eedb 100755
--- a/nfstream/engine/dependencies/build.sh
+++ b/nfstream/engine/dependencies/build.sh
@@ -1,4 +1,3 @@
-#!/bin/sh
 #-----------------------------------------------------------------------------------------------------------------------
 # build.sh
 # Copyright (C) 2019-22 - NFStream Developers
@@ -61,8 +60,8 @@ build_libndpi() {
   echo "Compiling libndpi"
   echo "---------------------------------------------------------------------------------------------------------------"
   cd nDPI
-  ./autogen.sh --with-local-libgcrypt
-  ./configure CFLAGS="-I/tmp/nfstream_build/usr/local/include" LDFLAGS="-L/tmp/nfstream_build/usr/local/lib"
+  ./autogen.sh
+  ./configure CFLAGS="-I/tmp/nfstream_build/usr/local/include" LDFLAGS="-L/tmp/nfstream_build/usr/local/lib" --with-local-libgcrypt
   cd src/lib
   make
   cd ../..
@@ -79,9 +78,5 @@ build_libgpgerror
 build_libgcrypt
 build_libndpi
 
-# Remove temporary build directory
-rm -rf /tmp/nfstream_build
-
-
 
 
diff --git a/setup.py b/setup.py
index 17b37c7..5ab2d5f 100644
--- a/setup.py
+++ b/setup.py
@@ -80,7 +80,7 @@ class BuildNativeCommand(build_ext):
             msys2 = shutil.which('msys2')
             subprocess.check_call([msys2, "-c", build_script_command])
         else:
-            subprocess.check_call([str(BUILD_SCRIPT_PATH)])
+            subprocess.check_call([str(BUILD_SCRIPT_PATH)], shell=True)
         # Build engine
         setup_engine_cc()
         build_ext.run(self)