diff --git a/src/compiler/utilities.ts b/src/compiler/utilities.ts
index a0d1c6e75d2..433646b1317 100644
--- a/src/compiler/utilities.ts
+++ b/src/compiler/utilities.ts
@@ -9310,7 +9310,7 @@ export type StrictOptionName =
 
 /** @internal */
 export function getStrictOptionValue(compilerOptions: CompilerOptions, flag: StrictOptionName): boolean {
-    return compilerOptions[flag] === undefined ? !!compilerOptions.strict : !!compilerOptions[flag];
+    return compilerOptions[flag] === undefined ? (compilerOptions.strict !== false) : !!compilerOptions[flag];
 }
 
 /** @internal */