diff --git a/src/vs/workbench/parts/debug/common/debugModel.ts b/src/vs/workbench/parts/debug/common/debugModel.ts
index 397cfb5a8bd..3ad4b00d73a 100644
--- a/src/vs/workbench/parts/debug/common/debugModel.ts
+++ b/src/vs/workbench/parts/debug/common/debugModel.ts
@@ -13,7 +13,7 @@ import { generateUuid } from 'vs/base/common/uuid';
 import * as errors from 'vs/base/common/errors';
 import { RunOnceScheduler } from 'vs/base/common/async';
 import severity from 'vs/base/common/severity';
-import { isObject, isString } from 'vs/base/common/types';
+import { isObject, isString, isUndefinedOrNull } from 'vs/base/common/types';
 import { distinct } from 'vs/base/common/arrays';
 import { Range, IRange } from 'vs/editor/common/core/range';
 import { ISuggestion } from 'vs/editor/common/modes';
@@ -891,16 +891,25 @@ export class Model implements IModel {
 		this.breakpoints.forEach(bp => {
 			const bpData = data[bp.getId()];
 			if (bpData) {
-				bp.lineNumber = bpData.line ? bpData.line : bp.lineNumber;
+				if (!isUndefinedOrNull(bpData.line)) {
+					bp.lineNumber = bpData.line;
+				}
 				bp.endLineNumber = bpData.endLine;
 				bp.column = bpData.column;
 				bp.endColumn = bpData.endColumn;
-				bp.verified = bp.verified || bpData.verified;
+				if (!isUndefinedOrNull(bpData.verified)) {
+					bp.verified = bpData.verified;
+				}
 				bp.idFromAdapter = bpData.id;
 				bp.message = bpData.message;
 				bp.adapterData = bpData.source ? bpData.source.adapterData : bp.adapterData;
-				bp.condition = bpData.condition || bp.condition;
-				bp.hitCondition = bpData.hitCondition || bp.hitCondition;
+
+				if (!isUndefinedOrNull(bpData.condition)) {
+					bp.condition = bpData.condition;
+				}
+				if (!isUndefinedOrNull(bpData.hitCondition)) {
+					bp.hitCondition = bpData.hitCondition;
+				}
 				updated.push(bp);
 			}
 		});