diff --git a/src/bootstrap/src/core/sanity.rs b/src/bootstrap/src/core/sanity.rs
index 04cf63f1c6d44..68202500d9791 100644
--- a/src/bootstrap/src/core/sanity.rs
+++ b/src/bootstrap/src/core/sanity.rs
@@ -287,7 +287,7 @@ than building it.
 
             if !has_target {
                 panic!(
-                    "No such target exists in the target list,\n\
+                    "{target_str}: No such target exists in the target list,\n\
                      make sure to correctly specify the location \
                      of the JSON specification file \
                      for custom targets!\n\