diff --git a/src/cdk-experimental/dialog/dialog.spec.ts b/src/cdk-experimental/dialog/dialog.spec.ts
index 0d35e48f690..bc8fbf72603 100644
--- a/src/cdk-experimental/dialog/dialog.spec.ts
+++ b/src/cdk-experimental/dialog/dialog.spec.ts
@@ -696,7 +696,7 @@ describe('Dialog', () => {
   });
 
   describe('disableClose option', () => {
-    it('should prevent closing via clicks on the backdrop', () => {
+    it('should prevent closing via clicks on the backdrop', fakeAsync(() => {
       dialog.openFromComponent(PizzaMsg, {
         disableClose: true,
         viewContainerRef: testViewContainerRef
@@ -706,11 +706,13 @@ describe('Dialog', () => {
 
       let backdrop = overlayContainerElement.querySelector('.cdk-overlay-backdrop') as HTMLElement;
       backdrop.click();
+      viewContainerFixture.detectChanges();
+      flush();
 
       expect(overlayContainerElement.querySelector('cdk-dialog-container')).toBeTruthy();
-    });
+    }));
 
-    it('should prevent closing via the escape key', () => {
+    it('should prevent closing via the escape key', fakeAsync(() => {
       dialog.openFromComponent(PizzaMsg, {
         disableClose: true,
         viewContainerRef: testViewContainerRef
@@ -718,9 +720,11 @@ describe('Dialog', () => {
 
       viewContainerFixture.detectChanges();
       dispatchKeyboardEvent(document.body, 'keydown', ESCAPE);
+      viewContainerFixture.detectChanges();
+      flush();
 
       expect(overlayContainerElement.querySelector('cdk-dialog-container')).toBeTruthy();
-    });
+    }));
 
     it('should allow for the disableClose option to be updated while open', fakeAsync(() => {
       let dialogRef = dialog.openFromComponent(PizzaMsg, {
diff --git a/src/cdk-experimental/dialog/dialog.ts b/src/cdk-experimental/dialog/dialog.ts
index 1699f2caba8..2207c64eb54 100644
--- a/src/cdk-experimental/dialog/dialog.ts
+++ b/src/cdk-experimental/dialog/dialog.ts
@@ -225,11 +225,12 @@ export class Dialog implements OnDestroy {
     // Create a reference to the dialog we're creating in order to give the user a handle
     // to modify and close it.
     const dialogRef = new this.dialogRefConstructor(overlayRef, dialogContainer, config.id);
-
     const injector = this._createInjector<T>(config, dialogRef, dialogContainer);
     const contentRef = dialogContainer.attachComponentPortal(
         new ComponentPortal(componentOrTemplateRef, undefined, injector));
+
     dialogRef.componentInstance = contentRef.instance;
+    dialogRef.disableClose = config.disableClose;
 
     dialogRef.updateSize({width: config.width, height: config.height})
              .updatePosition(config.position);
diff --git a/src/lib/bottom-sheet/bottom-sheet.spec.ts b/src/lib/bottom-sheet/bottom-sheet.spec.ts
index a699caaa26e..9abb25750a3 100644
--- a/src/lib/bottom-sheet/bottom-sheet.spec.ts
+++ b/src/lib/bottom-sheet/bottom-sheet.spec.ts
@@ -429,7 +429,7 @@ describe('MatBottomSheet', () => {
   });
 
   describe('disableClose option', () => {
-    it('should prevent closing via clicks on the backdrop', () => {
+    it('should prevent closing via clicks on the backdrop', fakeAsync(() => {
       bottomSheet.open(PizzaMsg, {
         disableClose: true,
         viewContainerRef: testViewContainerRef
@@ -439,11 +439,13 @@ describe('MatBottomSheet', () => {
 
       let backdrop = overlayContainerElement.querySelector('.cdk-overlay-backdrop') as HTMLElement;
       backdrop.click();
+      viewContainerFixture.detectChanges();
+      flush();
 
       expect(overlayContainerElement.querySelector('mat-bottom-sheet-container')).toBeTruthy();
-    });
+    }));
 
-    it('should prevent closing via the escape key', () => {
+    it('should prevent closing via the escape key', fakeAsync(() => {
       bottomSheet.open(PizzaMsg, {
         disableClose: true,
         viewContainerRef: testViewContainerRef
@@ -451,9 +453,11 @@ describe('MatBottomSheet', () => {
 
       viewContainerFixture.detectChanges();
       dispatchKeyboardEvent(document.body, 'keydown', ESCAPE);
+      viewContainerFixture.detectChanges();
+      flush();
 
       expect(overlayContainerElement.querySelector('mat-bottom-sheet-container')).toBeTruthy();
-    });
+    }));
 
   });
 
diff --git a/src/lib/dialog/dialog.spec.ts b/src/lib/dialog/dialog.spec.ts
index 385469bbd07..0fd03cdeeb5 100644
--- a/src/lib/dialog/dialog.spec.ts
+++ b/src/lib/dialog/dialog.spec.ts
@@ -814,7 +814,7 @@ describe('MatDialog', () => {
   }));
 
   describe('disableClose option', () => {
-    it('should prevent closing via clicks on the backdrop', () => {
+    it('should prevent closing via clicks on the backdrop', fakeAsync(() => {
       dialog.open(PizzaMsg, {
         disableClose: true,
         viewContainerRef: testViewContainerRef
@@ -824,11 +824,13 @@ describe('MatDialog', () => {
 
       let backdrop = overlayContainerElement.querySelector('.cdk-overlay-backdrop') as HTMLElement;
       backdrop.click();
+      viewContainerFixture.detectChanges();
+      flush();
 
       expect(overlayContainerElement.querySelector('mat-dialog-container')).toBeTruthy();
-    });
+    }));
 
-    it('should prevent closing via the escape key', () => {
+    it('should prevent closing via the escape key', fakeAsync(() => {
       dialog.open(PizzaMsg, {
         disableClose: true,
         viewContainerRef: testViewContainerRef
@@ -836,9 +838,11 @@ describe('MatDialog', () => {
 
       viewContainerFixture.detectChanges();
       dispatchKeyboardEvent(document.body, 'keydown', ESCAPE);
+      viewContainerFixture.detectChanges();
+      flush();
 
       expect(overlayContainerElement.querySelector('mat-dialog-container')).toBeTruthy();
-    });
+    }));
 
     it('should allow for the disableClose option to be updated while open', fakeAsync(() => {
       let dialogRef = dialog.open(PizzaMsg, {