diff --git a/headless-services/commons/commons-language-server/src/main/java/org/springframework/ide/vscode/commons/languageserver/util/SimpleLanguageServer.java b/headless-services/commons/commons-language-server/src/main/java/org/springframework/ide/vscode/commons/languageserver/util/SimpleLanguageServer.java
index 7c7046991..7379acfa5 100644
--- a/headless-services/commons/commons-language-server/src/main/java/org/springframework/ide/vscode/commons/languageserver/util/SimpleLanguageServer.java
+++ b/headless-services/commons/commons-language-server/src/main/java/org/springframework/ide/vscode/commons/languageserver/util/SimpleLanguageServer.java
@@ -630,7 +630,7 @@ public final class SimpleLanguageServer implements Sts4LanguageServer, LanguageC
 		// in long "hangs" for slow reconcile providers
 		Mono<?> mono = props.getReconcileDelay() > 0
 				? Mono.delay(Duration.ofMillis(props.getReconcileDelay())).publishOn(RECONCILER_SCHEDULER)
-				: Mono.empty().publishOn(RECONCILER_SCHEDULER);
+				: Mono.empty().subscribeOn(RECONCILER_SCHEDULER);
 		
 		mono.then(Mono.fromRunnable(() -> {
 			reconcileRequests.remove(uri);