diff --git a/light-base/src/runtime_service.rs b/light-base/src/runtime_service.rs
index ab12c5a565..d0a719b849 100644
--- a/light-base/src/runtime_service.rs
+++ b/light-base/src/runtime_service.rs
@@ -1799,7 +1799,7 @@ async fn run_background<TPlat: PlatformRef>(
 
                 // If we aren't subscribed to the sync service yet, we notify that we are not
                 // near the head of the chain.
-                if !background.blocks_stream.is_none() {
+                if background.blocks_stream.is_none() {
                     let _ = result_tx.send(false);
                     continue;
                 }
diff --git a/wasm-node/CHANGELOG.md b/wasm-node/CHANGELOG.md
index b7d8125596..dcb2fa342b 100644
--- a/wasm-node/CHANGELOG.md
+++ b/wasm-node/CHANGELOG.md
@@ -5,6 +5,7 @@
 ### Fixed
 
 - Fix crash when extracting the database of a chain when the current Babe epoch number doesn't immediately follow the previous Babe epoch number. ([#1695](https://github.com/smol-dot/smoldot/pull/1695))
+- Fix `isSyncing` is always being equal to `true` in the return value of the `system_health` JSON-RPC function. ([#1697](https://github.com/smol-dot/smoldot/pull/1697))
 
 ## 2.0.21 - 2024-02-06