diff --git a/packages/core/src/render3/instructions.ts b/packages/core/src/render3/instructions.ts
index 0d85beaf4d..099768117b 100644
--- a/packages/core/src/render3/instructions.ts
+++ b/packages/core/src/render3/instructions.ts
@@ -1220,7 +1220,7 @@ export function elementStyleProp(
     return hackImplementationOfElementStyleProp(
         index, styleIndex, value, suffix, directive);  // supported in next PR
   let valueToAdd: string|null = null;
-  if (value) {
+  if (value !== null) {
     if (suffix) {
       // when a suffix is applied then it will bypass
       // sanitization entirely (b/c a new string is created)
diff --git a/packages/core/test/render3/integration_spec.ts b/packages/core/test/render3/integration_spec.ts
index 4d1ee8b3b6..3359ef3a9f 100644
--- a/packages/core/test/render3/integration_spec.ts
+++ b/packages/core/test/render3/integration_spec.ts
@@ -1459,6 +1459,10 @@ describe('render3 integration test', () => {
         fixture.update();
         expect(fixture.html).toEqual('<span style="font-size: 200px;"></span>');
 
+        fixture.component.time = 0;
+        fixture.update();
+        expect(fixture.html).toEqual('<span style="font-size: 0px;"></span>');
+
         fixture.component.time = null;
         fixture.update();
         expect(fixture.html).toEqual('<span></span>');