1 files changed, 6 insertions, 0 deletions
diff --git a/apt-pkg/packagemanager.h b/apt-pkg/packagemanager.h
index d72790b6e..96fbbbaea 100644
--- a/apt-pkg/packagemanager.h
+++ b/apt-pkg/packagemanager.h
@@ -45,6 +45,12 @@ class pkgSourceList;
 class pkgOrderList;
 class pkgRecords;
 
+namespace APT {
+   namespace Progress {
+      class PackageManager;
+      class PackageManagerProgressFd;
+   }
+}
 
 class pkgPackageManager : protected pkgCache::Namespace
 {