diff --git a/generate/container.py b/generate/container.py
index d0d0df6..1ce9be6 100644
--- a/generate/container.py
+++ b/generate/container.py
@@ -72,7 +72,7 @@ class Volume:
         cmd = f"# Create volume {self.name}\n"
         cmd += f"if ! podman volume exists '{self.name}' 2> /dev/null\n"
         cmd += "then\n"
-        cmd += "\tpodman volume create '{self.name}'\n"
+        cmd += f"\tpodman volume create '{self.name}'\n"
         cmd += "fi\n"
         return cmd
 
@@ -188,7 +188,7 @@ class Environment:
         cmd = f"# Remove env-file {self.file}\n"
         cmd += f"if [ -e '{self.file}' ]\n"
         cmd += "then\n"
-        cmd += "\trm '{self.file}'\n"
+        cmd += f"\trm '{self.file}'\n"
         cmd += "fi\n"
         return cmd