diff --git a/Sources/SKOptions/SourceKitLSPOptions.swift b/Sources/SKOptions/SourceKitLSPOptions.swift
index 91f271699..78bd02ddd 100644
--- a/Sources/SKOptions/SourceKitLSPOptions.swift
+++ b/Sources/SKOptions/SourceKitLSPOptions.swift
@@ -532,7 +532,7 @@ public struct SourceKitLSPOptions: Sendable, Codable, Equatable {
         base: base.fallbackBuildSystemOrDefault,
         override: override?.fallbackBuildSystem
       ),
-      buildSettingsTimeout: override?.buildSettingsTimeout,
+      buildSettingsTimeout: override?.buildSettingsTimeout ?? base.buildSettingsTimeout,
       compilationDatabase: CompilationDatabaseOptions.merging(
         base: base.compilationDatabaseOrDefault,
         override: override?.compilationDatabase