diff --git a/InvariantDisks/IDSerialLinker.cpp b/InvariantDisks/IDSerialLinker.cpp
index 0af196716..f48c57b42 100644
--- a/InvariantDisks/IDSerialLinker.cpp
+++ b/InvariantDisks/IDSerialLinker.cpp
@@ -53,7 +53,7 @@ namespace ID
 		size_t first = s.find_first_not_of(' ');
 		size_t last = s.find_last_not_of(' ');
 		if (first != std::string::npos)
-			return s.substr(first, last - first);
+			return s.substr(first, last - first + 1);
 		return s;
 	}