diff --git a/tests/LinuxTest.py b/tests/LinuxTest.py
index e5ef717e1..0a5fe2815 100644
--- a/tests/LinuxTest.py
+++ b/tests/LinuxTest.py
@@ -31,9 +31,9 @@ class LinuxTest(Test):
             if proc.returncode != 0:
                 raise Exception("docker run failed (linux stack)")
             if distro in ("ubuntu", "debian"):
-                cmd = "apt install -y /opt/\\$(ls /opt | grep deb)"
+                cmd = "apt install -y /opt/\$(ls /opt | grep deb)"
             elif distro in ("centos", "fedora", "rhel"):
-                cmd = "dnf install -y /opt/\\$(ls /opt | grep rpm)"
+                cmd = "dnf install -y /opt/\$(ls /opt | grep rpm)"
             proc = LinuxTest.docker_exec(distro, cmd)
             if proc.returncode != 0:
                 raise Exception("docker exec apt install failed (linux stack)")