diff --git a/src/hotspot/share/jfr/recorder/repository/jfrEmergencyDump.cpp b/src/hotspot/share/jfr/recorder/repository/jfrEmergencyDump.cpp
index 7ce445e44bb22..c93971f1e1616 100644
--- a/src/hotspot/share/jfr/recorder/repository/jfrEmergencyDump.cpp
+++ b/src/hotspot/share/jfr/recorder/repository/jfrEmergencyDump.cpp
@@ -78,7 +78,7 @@ static size_t get_dump_directory() {
   }
   const size_t path_len = strlen(_path_buffer);
   const int result = jio_snprintf(_path_buffer + path_len,
-                                  sizeof(_path_buffer),
+                                  sizeof(_path_buffer) - path_len,
                                   "%s",
                                   os::file_separator());
   return (result == -1) ? 0 : strlen(_path_buffer);