diff --git a/packages/debug/src/browser/debug-session.tsx b/packages/debug/src/browser/debug-session.tsx
index c6c3a4336bbfe..af819ab88b0e4 100644
--- a/packages/debug/src/browser/debug-session.tsx
+++ b/packages/debug/src/browser/debug-session.tsx
@@ -542,7 +542,12 @@ export class DebugSession implements CompositeTreeElement {
                     sourceModified,
                     breakpoints: enabled.map(({ origin }) => origin.raw)
                 });
-                response.body.breakpoints.map((raw, index) => enabled[index].update({ raw }));
+                response.body.breakpoints.map((raw, index) => {
+                    // node debug adapter returns more breakpoints sometimes
+                    if (enabled[index]) {
+                        enabled[index].update({ raw });
+                    }
+                });
             } catch (error) {
                 // could be error or promise rejection of DebugProtocol.SetBreakpointsResponse
                 if (error instanceof Error) {