diff --git a/src/steps/os/linux.rs b/src/steps/os/linux.rs
index b51d3401..072b6aca 100644
--- a/src/steps/os/linux.rs
+++ b/src/steps/os/linux.rs
@@ -350,7 +350,7 @@ fn upgrade_gentoo(ctx: &ExecutionContext) -> Result<()> {
 
 fn upgrade_debian(sudo: &Option<PathBuf>, cleanup: bool, run_type: RunType, yes: bool) -> Result<()> {
     if let Some(sudo) = &sudo {
-        let apt = which("apt-fast").unwrap_or_else(|| PathBuf::from("/usr/bin/apt"));
+        let apt = which("apt-fast").unwrap_or_else(|| PathBuf::from("/usr/bin/apt-get"));
         run_type.execute(&sudo).arg(&apt).arg("update").check_run()?;
 
         let mut command = run_type.execute(&sudo);