diff --git a/gpr2gpa/gpr2gpa.cpp b/gpr2gpa/gpr2gpa.cpp
index beb64c1..d1f4def 100644
--- a/gpr2gpa/gpr2gpa.cpp
+++ b/gpr2gpa/gpr2gpa.cpp
@@ -2600,6 +2600,7 @@ int ConvertDirectory(const std::string &basePath, const PortabilityLayer::Combin
 			fprintf(stderr, "Failed to open metadata file ");
 			fputs_utf8(metaPath.c_str(), stderr);
 			fprintf(stderr, "\n");
+			return -1;
 		}
 
 		PortabilityLayer::MacFilePropertiesSerialized mfps;