1 files changed, 2 insertions, 2 deletions

diff --git a/crates/ide/src/prime_caches.rs b/crates/ide/src/prime_caches.rs
index ea0acfaa0..d912a01b8 100644
--- a/crates/ide/src/prime_caches.rs
+++ b/crates/ide/src/prime_caches.rs
@@ -27,6 +27,8 @@ pub(crate) fn prime_caches(db: &RootDatabase, cb: &(dyn Fn(PrimeCachesProgress)
     let topo = &graph.crates_in_topological_order();
 
     cb(PrimeCachesProgress::Started);
+    // Take care to emit the finish signal  even when the computation is canceled.
+    let _d = stdx::defer(|| cb(PrimeCachesProgress::Finished));
 
     // FIXME: This would be easy to parallelize, since it's in the ideal ordering for that.
     // Unfortunately rayon prevents panics from propagation out of a `scope`, which breaks
@@ -41,6 +43,4 @@ pub(crate) fn prime_caches(db: &RootDatabase, cb: &(dyn Fn(PrimeCachesProgress)
         });
         db.crate_def_map(*krate);
     }
-
-    cb(PrimeCachesProgress::Finished);
 }