diff --git a/pkg/tests/support/helpers.py b/pkg/tests/support/helpers.py
index e27237e408d..11bfdb6185b 100644
--- a/pkg/tests/support/helpers.py
+++ b/pkg/tests/support/helpers.py
@@ -749,13 +749,13 @@ class SaltPkgInstall:
             self.bin_dir = self.install_dir / "bin"
             self.run_root = self.bin_dir / f"salt.exe"
             self.ssm_bin = self.bin_dir / "ssm.exe"
-            if self.file_ext == "msi":
+            if self.file_ext == "msi" or relenv:
                 self.ssm_bin = self.install_dir / "ssm.exe"
 
             if not self.classic:
                 if not relenv:
-                    win_pkg = f"salt-{full_version}-windows-amd64.{self.file_ext}"
-                    win_pkg_url = f"https://repo.saltproject.io/salt/py3/windows/{full_version}/{win_pkg}"
+                    win_pkg = f"salt-{self.prev_version}-windows-amd64.{self.file_ext}"
+                    win_pkg_url = f"https://repo.saltproject.io/salt/py3/windows/{self.prev_version}/{win_pkg}"
                 else:
                     if self.file_ext == "msi":
                         win_pkg = (