diff --git a/src/vs/code/electron-browser/issue/issueReporterMain.ts b/src/vs/code/electron-browser/issue/issueReporterMain.ts
index 310adb05cc5..597366c80fe 100644
--- a/src/vs/code/electron-browser/issue/issueReporterMain.ts
+++ b/src/vs/code/electron-browser/issue/issueReporterMain.ts
@@ -42,7 +42,6 @@ import { ILogService, getLogLevel } from 'vs/platform/log/common/log';
 import { OcticonLabel } from 'vs/base/browser/ui/octiconLabel/octiconLabel';
 import { normalizeGitHubIssuesUrl } from 'vs/code/electron-browser/issue/issueReporterUtil';
 import { Button } from 'vs/base/browser/ui/button/button';
-import { Color } from 'vs/base/common/color';
 
 const MAX_URL_LENGTH = platform.isWindows ? 2081 : 5400;
 
@@ -90,11 +89,7 @@ export class IssueReporter extends Disposable {
 			extensionsDisabled: this.environmentService.disableExtensions,
 		});
 
-		this.previewButton = new Button(document.getElementById('issue-reporter'), {
-			buttonBackground: Color.fromHex(configuration.data.styles.buttonBackground),
-			buttonForeground: Color.fromHex(configuration.data.styles.buttonForeground),
-			buttonHoverBackground: Color.fromHex(configuration.data.styles.buttonHoverBackground)
-		});
+		this.previewButton = new Button(document.getElementById('issue-reporter'));
 
 		ipcRenderer.on('issuePerformanceInfoResponse', (event, info) => {
 			this.logService.trace('issueReporter: Received performance data');
@@ -197,6 +192,18 @@ export class IssueReporter extends Disposable {
 			content.push(`::--webkit-scrollbar-thumb:hover { background-color: ${styles.sliderHoverColor}; }`);
 		}
 
+		if (styles.buttonBackground) {
+			content.push(`.monaco-text-button { background-color: ${styles.buttonBackground} !important; }`);
+		}
+
+		if (styles.buttonForeground) {
+			content.push(`.monaco-text-button { color: ${styles.buttonForeground} !important; }`);
+		}
+
+		if (styles.buttonHoverBackground) {
+			content.push(`.monaco-text-button:hover, monaco-text-button:focus { background-color: ${styles.buttonHoverBackground} !important; }`);
+		}
+
 		styleTag.innerHTML = content.join('\n');
 		document.head.appendChild(styleTag);
 		document.body.style.color = styles.color;
diff --git a/src/vs/platform/issue/common/issue.ts b/src/vs/platform/issue/common/issue.ts
index 228bcdfefb1..527a3abc2c3 100644
--- a/src/vs/platform/issue/common/issue.ts
+++ b/src/vs/platform/issue/common/issue.ts
@@ -11,6 +11,8 @@ import { ILocalExtension } from 'vs/platform/extensionManagement/common/extensio
 
 export const IIssueService = createDecorator<IIssueService>('issueService');
 
+// Since data sent through the service is serialized to JSON, functions will be lost, so Color objects
+// should not be sent as their 'toString' method will be stripped. Instead convert to strings before sending.
 export interface WindowStyles {
 	backgroundColor: string;
 	color: string;