diff --git a/src/tsconfig.strictNullChecks.json b/src/tsconfig.strictNullChecks.json
index bd890696fa2..2d17fd87162 100644
--- a/src/tsconfig.strictNullChecks.json
+++ b/src/tsconfig.strictNullChecks.json
@@ -402,6 +402,7 @@
 		"./vs/workbench/browser/parts/quickinput/quickInputUtils.ts",
 		"./vs/workbench/browser/parts/quickopen/quickopen.ts",
 		"./vs/workbench/browser/parts/statusbar/statusbar.ts",
+		"./vs/workbench/common/actions.ts",
 		"./vs/workbench/common/activity.ts",
 		"./vs/workbench/common/component.ts",
 		"./vs/workbench/common/composite.ts",
diff --git a/src/vs/workbench/common/actions.ts b/src/vs/workbench/common/actions.ts
index 23f9607cfc8..ff3f359b1ad 100644
--- a/src/vs/workbench/common/actions.ts
+++ b/src/vs/workbench/common/actions.ts
@@ -45,7 +45,7 @@ Registry.add(Extensions.WorkbenchActions, new class implements IWorkbenchActionR
 			id: descriptor.id,
 			weight: weight,
 			when: descriptor.keybindingContext,
-			primary: keybindings && keybindings.primary,
+			primary: keybindings ? keybindings.primary : 0,
 			secondary: keybindings && keybindings.secondary,
 			win: keybindings && keybindings.win,
 			mac: keybindings && keybindings.mac,