diff --git a/cde/programs/dtsession/SmGlobals.c b/cde/programs/dtsession/SmGlobals.c
index b7e538791..16853ef92 100644
--- a/cde/programs/dtsession/SmGlobals.c
+++ b/cde/programs/dtsession/SmGlobals.c
@@ -684,7 +684,7 @@ SetRestorePath(
              */
             if (getenv("DISPLAY") == 0)
             {
-                sprintf(tmpDisplayName, "DISPLAY=%s", displayName);
+                snprintf(tmpDisplayName, MAXPATHLEN, "DISPLAY=%s", displayName);
                 putenv(tmpDisplayName);
             }
         }