diff --git a/vendor/vtd-api/conanfile.py b/vendor/vtd-api/conanfile.py
index f030123fb..fbe47bc87 100644
--- a/vendor/vtd-api/conanfile.py
+++ b/vendor/vtd-api/conanfile.py
@@ -31,7 +31,7 @@ def export_sources(self):
         tools.untargz(
             self._archive_base,
             self.export_sources_folder,
-            pattern=Path(self._root_dir) / "Develop" / "*",
+            pattern="{}".format(Path(self._root_dir) / "Develop" / "*"),
         )
         self.copy("CMakeLists.txt")
 
diff --git a/vendor/vtd/conanfile.py b/vendor/vtd/conanfile.py
index 26ece4324..1c14ba25b 100644
--- a/vendor/vtd/conanfile.py
+++ b/vendor/vtd/conanfile.py
@@ -1,5 +1,6 @@
 from pathlib import Path
 import shutil
+import os.path
 
 from conans import CMake, ConanFile, tools
 from conans.errors import ConanInvalidConfiguration
@@ -26,14 +27,15 @@ class VtdConan(ConanFile):
     _archive_base = "vtd.2.2.0.Base.20181231.tgz"
     _archive_osi = "vtd.2.2.0.addOns.OSI.20190513.tgz"
     _archive_rod = "vtd.2.2.0.addOns.ROD.Base.20190313.tgz"
-    exports_sources = [
-        _archive_base,
-        _archive_osi,
-        _archive_rod,
-    ]
-
     _root_dir = "VTD.2.2"
 
+    def export_sources(self):
+        self.copy(self._archive_base, symlinks=False)
+        if os.path.isfile(self._archive_osi):
+            self.copy(self._archive_osi, symlinks=False)
+        if os.path.isfile(self._archive_rod):
+            self.copy(self._archive_rod, symlinks=False)
+
     def configure(self):
         if self.settings.os == "Windows":
             raise ConanInvalidConfiguration("VTD binaries do not exist for Windows")
@@ -44,7 +46,7 @@ def build(self):
 
         def extract_archive(archive):
             print("Extracting: {}".format(archive))
-            tools.untargz(src / archive, dst)
+            tools.untargz("{}".format(src / archive), "{}".format(dst))
 
         extract_archive(self._archive_base)
         if self.options.with_osi: