diff --git a/src/main/java/io/openliberty/tools/intellij/lsp4mp4ij/psi/internal/core/java/corrections/JavaDiagnosticsDefinition.java b/src/main/java/io/openliberty/tools/intellij/lsp4mp4ij/psi/internal/core/java/corrections/JavaDiagnosticsDefinition.java
index fe3f8f6cd..ef344f4e4 100644
--- a/src/main/java/io/openliberty/tools/intellij/lsp4mp4ij/psi/internal/core/java/corrections/JavaDiagnosticsDefinition.java
+++ b/src/main/java/io/openliberty/tools/intellij/lsp4mp4ij/psi/internal/core/java/corrections/JavaDiagnosticsDefinition.java
@@ -69,7 +69,7 @@ public void beginDiagnostics(JavaDiagnosticsContext context) {
             },
             e -> {
                 LOGGER.log(Level.WARNING, "Error while calling beginDiagnostics", e);
-                return null;
+                return false;
             }
         );
     }
@@ -98,7 +98,7 @@ public void endDiagnostics(JavaDiagnosticsContext context) {
             },
             e -> {
                 LOGGER.log(Level.WARNING, "Error while calling endDiagnostics", e);
-                return null;
+                return false;
             }
         );
     }