diff --git a/src/kits/package/hpkg/ReaderImplBase.cpp b/src/kits/package/hpkg/ReaderImplBase.cpp
index 7f2c3fd94d..150c3d12bf 100644
--- a/src/kits/package/hpkg/ReaderImplBase.cpp
+++ b/src/kits/package/hpkg/ReaderImplBase.cpp
@@ -1066,7 +1066,11 @@ ReaderImplBase::ReadCompressedBuffer(const SectionInfo& section)
 		}
 
 		default:
+		{
+			fErrorOutput->PrintError("Error: Invalid compression type: %u\n",
+				section.compression);
 			return B_BAD_DATA;
+		}
 	}
 }