diff --git a/src/activateMockDebug.ts b/src/activateMockDebug.ts
index f451e444..9e4bd30f 100644
--- a/src/activateMockDebug.ts
+++ b/src/activateMockDebug.ts
@@ -182,12 +182,20 @@ class MockConfigurationProvider implements vscode.DebugConfigurationProvider {
 	}
 }
 
+// Fix up URI on remote systems
+const overrideUri: { scheme?: string, authority?: string } = {};
+if (vscode.workspace.workspaceFolders && vscode.workspace.workspaceFolders.length) {
+	const root = vscode.workspace.workspaceFolders[0].uri;
+	overrideUri.scheme = root.scheme;
+	overrideUri.authority = root.authority;
+}
+
 export const workspaceFileAccessor: FileAccessor = {
 	isWindows: typeof process !== 'undefined' && process.platform === 'win32',
 	async readFile(path: string): Promise<Uint8Array> {
 		let uri: vscode.Uri;
 		try {
-			uri = pathToUri(path);
+			uri = pathToUri(path, overrideUri);
 		} catch (e) {
 			return new TextEncoder().encode(`cannot read '${path}'`);
 		}
@@ -196,14 +204,23 @@ export const workspaceFileAccessor: FileAccessor = {
 	},
 	async writeFile(path: string, contents: Uint8Array) {
 		await vscode.workspace.fs.writeFile(pathToUri(path), contents);
+	},
+	convertDebuggerPathToClient(path: string): string {
+		// Add overrides
+		const uri = pathToUri(path, overrideUri);
+		return uri.toString();
+	},
+	convertClientPathToDebugger(path: string): string {
+		// Remove scheme
+		return vscode.Uri.parse(path).fsPath;
 	}
 };
 
-function pathToUri(path: string) {
+function pathToUri(path: string, change: typeof overrideUri = {}) {
 	try {
-		return vscode.Uri.file(path);
+		return vscode.Uri.file(path).with(change);
 	} catch (e) {
-		return vscode.Uri.parse(path);
+		return vscode.Uri.parse(path).with(change);
 	}
 }
 
diff --git a/src/mockDebug.ts b/src/mockDebug.ts
index b02f49ed..f9d09f07 100644
--- a/src/mockDebug.ts
+++ b/src/mockDebug.ts
@@ -73,7 +73,7 @@ export class MockDebugSession extends LoggingDebugSession {
 	 * Creates a new debug adapter that is used for one debug session.
 	 * We configure the default implementation of a debug adapter here.
 	 */
-	public constructor(fileAccessor: FileAccessor) {
+	public constructor(protected fileAccessor: FileAccessor) {
 		super("mock-debug.txt");
 
 		// this debugger uses zero-based lines and columns
@@ -276,7 +276,7 @@ export class MockDebugSession extends LoggingDebugSession {
 
 	protected async setBreakPointsRequest(response: DebugProtocol.SetBreakpointsResponse, args: DebugProtocol.SetBreakpointsArguments): Promise<void> {
 
-		const path = args.source.path as string;
+		const path = this.convertClientPathToDebugger(args.source.path as string);
 		const clientLines = args.lines || [];
 
 		// clear all breakpoints for this file
@@ -301,7 +301,8 @@ export class MockDebugSession extends LoggingDebugSession {
 	protected breakpointLocationsRequest(response: DebugProtocol.BreakpointLocationsResponse, args: DebugProtocol.BreakpointLocationsArguments, request?: DebugProtocol.Request): void {
 
 		if (args.source.path) {
-			const bps = this._runtime.getBreakpoints(args.source.path, this.convertClientLineToDebugger(args.line));
+			const path = this.convertClientPathToDebugger(args.source.path as string);
+			const bps = this._runtime.getBreakpoints(path, this.convertClientLineToDebugger(args.line));
 			response.body = {
 				breakpoints: bps.map(col => {
 					return {
@@ -908,5 +909,20 @@ export class MockDebugSession extends LoggingDebugSession {
 	private createSource(filePath: string): Source {
 		return new Source(basename(filePath), this.convertDebuggerPathToClient(filePath), undefined, undefined, 'mock-adapter-data');
 	}
-}
 
+	protected convertDebuggerPathToClient(debuggerPath: string): string {
+		if (this.fileAccessor.convertDebuggerPathToClient) {
+			return this.fileAccessor.convertDebuggerPathToClient(debuggerPath);
+		}
+
+		return super.convertDebuggerPathToClient(debuggerPath);
+	}
+
+	protected convertClientPathToDebugger(clientPath: string): string {
+		if (this.fileAccessor.convertClientPathToDebugger) {
+			return this.fileAccessor.convertClientPathToDebugger(clientPath);
+		}
+
+		return super.convertClientPathToDebugger(clientPath);
+	}
+}
diff --git a/src/mockRuntime.ts b/src/mockRuntime.ts
index 87858a68..584a4634 100644
--- a/src/mockRuntime.ts
+++ b/src/mockRuntime.ts
@@ -8,6 +8,8 @@ export interface FileAccessor {
 	isWindows: boolean;
 	readFile(path: string): Promise<Uint8Array>;
 	writeFile(path: string, contents: Uint8Array): Promise<void>;
+	convertDebuggerPathToClient?(path: string): string;
+	convertClientPathToDebugger?(path: string): string;
 }
 
 export interface IRuntimeBreakpoint {