diff --git a/src/bin/package/PackageInfoPrinter.h b/src/bin/package/PackageInfoPrinter.h
index 7284312cb6..8357d90fd6 100644
--- a/src/bin/package/PackageInfoPrinter.h
+++ b/src/bin/package/PackageInfoPrinter.h
@@ -212,7 +212,9 @@ public:
 				break;
 
 			default:
-				return false;
+				printf("\tunknown or future attribute: "
+					"BPackageInfoAttributeID #%d\n", value.attributeID);
+				return true;
 		}
 
 		return true;
diff --git a/src/kits/package/PackageInfoContentHandler.cpp b/src/kits/package/PackageInfoContentHandler.cpp
index 0e4ad1d5d1..80c552d587 100644
--- a/src/kits/package/PackageInfoContentHandler.cpp
+++ b/src/kits/package/PackageInfoContentHandler.cpp
@@ -155,7 +155,7 @@ BPackageInfoContentHandler::HandlePackageAttribute(
 					"Invalid package attribute section: unexpected package "
 					"attribute id %d encountered\n", value.attributeID);
 			}
-			return B_BAD_DATA;
+			return B_NOT_SUPPORTED; // Could be a future attribute we can skip.
 	}
 
 	return B_OK;
diff --git a/src/kits/package/hpkg/ReaderImplBase.cpp b/src/kits/package/hpkg/ReaderImplBase.cpp
index 612e132134..b0a647feb8 100644
--- a/src/kits/package/hpkg/ReaderImplBase.cpp
+++ b/src/kits/package/hpkg/ReaderImplBase.cpp
@@ -139,6 +139,8 @@ ReaderImplBase::PackageInfoAttributeHandlerBase::NotifyDone(
 {
 	status_t error = context->packageContentHandler->HandlePackageAttribute(
 		fPackageInfoValue);
+	if (context->ignoreUnknownAttributes && error == B_NOT_SUPPORTED)
+		error = B_OK; // Safe to skip a future/unknown attribute.
 	fPackageInfoValue.Clear();
 	return error;
 }
@@ -681,6 +683,8 @@ ReaderImplBase::PackageAttributeHandler::HandleAttribute(
 	if (_handler == NULL) {
 		status_t error = context->packageContentHandler
 			->HandlePackageAttribute(fPackageInfoValue);
+		if (context->ignoreUnknownAttributes && error == B_NOT_SUPPORTED)
+			error = B_OK; // Safe to skip a future/unknown attribute.
 		fPackageInfoValue.Clear();
 		if (error != B_OK)
 			return error;