diff --git a/include/osmocom/gsm/protocol/gsm_08_08.h b/include/osmocom/gsm/protocol/gsm_08_08.h
index cb9fe0113..676d1cff9 100644
--- a/include/osmocom/gsm/protocol/gsm_08_08.h
+++ b/include/osmocom/gsm/protocol/gsm_08_08.h
@@ -18,14 +18,15 @@ enum CELL_IDENT {
 	CELL_IDENT_LAC_AND_CI		= 1,
 	CELL_IDENT_CI			= 2,
 	CELL_IDENT_NO_CELL		= 3,
-	CELL_IDENT_LAI_AND_LAC		= 4,
+	CELL_IDENT_LAI			= 4,
 	CELL_IDENT_LAC			= 5,
 	CELL_IDENT_BSS			= 6,
 	CELL_IDENT_UTRAN_PLMN_LAC_RNC	= 8,
 	CELL_IDENT_UTRAN_RNC		= 9,
 	CELL_IDENT_UTRAN_LAC_RNC	= 10,
 };
-
+/* Keep this misnamed CELL_IDENT for API backwards compatibility (see OS#3124). */
+#define CELL_IDENT_LAI_AND_LAC CELL_IDENT_LAI
 
 /* GSM 08.06 § 6.3 */
 enum BSSAP_MSG_TYPE {