diff --git a/include/ansitext.rem b/include/ansitext.rem
index 1aa599ba..2f06d544 100644
--- a/include/ansitext.rem
+++ b/include/ansitext.rem
@@ -6,8 +6,8 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
 if !defined("ansi_bold")
-    # Disable ANSI attributes in calendar mode
-    if $CalMode || $PSCal
+    # Disable ANSI attributes in calendar mode or JSON mode
+    if $CalMode || $PSCal || $JSONMode
         set ansi_normal     ""
         set ansi_bold       ""
         set ansi_faint      ""