diff --git a/src/util/time.cpp b/src/util/time.cpp
index 203abb7778..e0be6096eb 100644
--- a/src/util/time.cpp
+++ b/src/util/time.cpp
@@ -108,8 +108,8 @@ std::string_view Time::ISO8601() const {
     std::memset(b, 0, S);
 
     SpiceManager::ref().dateFromEphemerisTime(_time, b, S, Format);
- 
-    return std::string_view(b, S);
+
+    return std::string_view(b, S-1);
 }
 
 void Time::ISO8601(char* buffer) const {