diff --git a/modules/install/ToolsInstaller.py b/modules/install/ToolsInstaller.py
index d494c79..4c6893c 100644
--- a/modules/install/ToolsInstaller.py
+++ b/modules/install/ToolsInstaller.py
@@ -44,8 +44,8 @@ class ToolsInstaller:
             else:
                 print("Version not supported by this installer")
                 return
-            
-            base_url = f"https://download.docker.com/linux/${linux_distro}"
+
+            base_url = f"https://download.docker.com/linux/{linux_distro}"
 
             subprocess.run("curl -fsSL " + base_url + "/gpg | sudo apt-key add -", shell=True)
             subprocess.run("apt-key fingerprint 0EBFCD88", shell=True)