diff --git a/Sources/JExtractSwiftLib/Swift2JavaTranslator.swift b/Sources/JExtractSwiftLib/Swift2JavaTranslator.swift
index 212a8e46..47519fd4 100644
--- a/Sources/JExtractSwiftLib/Swift2JavaTranslator.swift
+++ b/Sources/JExtractSwiftLib/Swift2JavaTranslator.swift
@@ -106,6 +106,7 @@ extension Swift2JavaTranslator {
       let dataProtocolDecl = (self.symbolTable[.foundationDataProtocol] ?? self.symbolTable[.essentialsDataProtocol])!
       if self.isUsing(where: { $0 == dataDecl || $0 == dataProtocolDecl }) {
         visitor.visit(nominalDecl: dataDecl.syntax!.asNominal!, in: nil, sourceFilePath: "Foundation/FAKE_FOUNDATION_DATA.swift")
+        visitor.visit(nominalDecl: dataProtocolDecl.syntax!.asNominal!, in: nil, sourceFilePath: "Foundation/FAKE_FOUNDATION_DATAPROTOCOL.swift")
       }
     }
   }
diff --git a/Sources/JExtractSwiftLib/SwiftTypes/SwiftKnownModules.swift b/Sources/JExtractSwiftLib/SwiftTypes/SwiftKnownModules.swift
index 1be8071c..bfb06f09 100644
--- a/Sources/JExtractSwiftLib/SwiftTypes/SwiftKnownModules.swift
+++ b/Sources/JExtractSwiftLib/SwiftTypes/SwiftKnownModules.swift
@@ -35,7 +35,7 @@ enum SwiftKnownModule: String {
   var sourceFile: SourceFileSyntax {
     return switch self {
     case .swift: swiftSourceFile
-    case .foundation: foundationEssentialsSourceFile
+    case .foundation: foundationSourceFile
     case .foundationEssentials: foundationEssentialsSourceFile
     }
   }