diff --git a/src/cli/add.rs b/src/cli/add.rs
index 8ca1cbe38..8f631e2e8 100644
--- a/src/cli/add.rs
+++ b/src/cli/add.rs
@@ -110,7 +110,7 @@ pub async fn execute(args: Args) -> miette::Result<()> {
     // Sanity check of prefix location
     verify_prefix_location_unchanged(
         project
-            .environment_dir()
+            .pixi_dir()
             .join(consts::PREFIX_FILE_NAME)
             .as_path(),
     )?;
diff --git a/src/environment.rs b/src/environment.rs
index 3a40f8c75..9c4e5f4ef 100644
--- a/src/environment.rs
+++ b/src/environment.rs
@@ -80,7 +80,7 @@ pub fn sanity_check_project(project: &Project) -> miette::Result<()> {
     // Sanity check of prefix location
     verify_prefix_location_unchanged(
         project
-            .environment_dir()
+            .pixi_dir()
             .join(consts::PREFIX_FILE_NAME)
             .as_path(),
     )?;