diff --git a/include/asterisk/cel.h b/include/asterisk/cel.h
index f221dd6438..353c061105 100644
--- a/include/asterisk/cel.h
+++ b/include/asterisk/cel.h
@@ -28,8 +28,13 @@ extern "C" {
 
 #include "asterisk/event.h"
 
-/*! \brief AMA Flags */
+/*!
+ * \brief AMA Flags
+ *
+ * \note This must much up with the AST_CDR_* defines for AMA flags.
+ */
 enum ast_cel_ama_flag {
+	AST_CEL_AMA_FLAG_NONE,
 	AST_CEL_AMA_FLAG_OMIT,
 	AST_CEL_AMA_FLAG_BILLING,
 	AST_CEL_AMA_FLAG_DOCUMENTATION,
diff --git a/main/cel.c b/main/cel.c
index 750a629667..7f5c24f404 100644
--- a/main/cel.c
+++ b/main/cel.c
@@ -122,6 +122,7 @@ static const char * const cel_event_types[CEL_MAX_EVENT_IDS] = {
  * \brief Map of ast_cel_ama_flags to strings
  */
 static const char * const cel_ama_flags[AST_CEL_AMA_FLAG_TOTAL] = {
+	[AST_CEL_AMA_FLAG_NONE]          = "NONE",
 	[AST_CEL_AMA_FLAG_OMIT]          = "OMIT",
 	[AST_CEL_AMA_FLAG_BILLING]       = "BILLING",
 	[AST_CEL_AMA_FLAG_DOCUMENTATION] = "DOCUMENTATION",