diff --git a/setup/setup_sis100_cfv.C b/setup/setup_sis100_cfv.C
index ccef64a5268f81d7c327dd633d5134ece4e7560c..07955326e722ed8254efe77c8facd690794f92d5 100644
--- a/setup/setup_sis100_cfv.C
+++ b/setup/setup_sis100_cfv.C
@@ -6,8 +6,8 @@
  **/
 
 
-
-// 2024-12-24 - EC - Introduce CFV MVD after support added
+// 2024-12-18 - EC - Make rich_v24a default
+// 2024-11-24 - EC - Introduce CFV MVD after support added
 // 2024-11-25 - EC - Reduced CFV TRD 1D 
 // 2024-11-21 - EC - Branched from sis100_electron
 
@@ -18,7 +18,7 @@ void setup_sis100_cfv()
   TString pipeGeoTag      = "v21d:v21i";
   TString mvdGeoTag       = "v24a";
   TString stsGeoTag       = "v22d";
-  TString richGeoTag      = "v23a";
+  TString richGeoTag      = "v24a";
   TString trdGeoTag       = "v23a_1e"; // CFV TRD 1D (reduced acceptance)
   TString tofGeoTag       = "v21a_1e";
   TString fsdGeoTag       = "v23i"; 
diff --git a/setup/setup_sis100_electron.C b/setup/setup_sis100_electron.C
index ff01923e045bd227ce9fb00848099c51cf62f50c..d7f20580b50eddbc4725d886c0e1940b6a27ccb6 100644
--- a/setup/setup_sis100_electron.C
+++ b/setup/setup_sis100_electron.C
@@ -7,7 +7,7 @@
  **
  **/
 
-
+// 2024-12-18 - EC - Make rich_v24a default
 // 2023-11-20 - EC - Fsd as default.
 // 2023-05-01 - EC - Psd with hole for tunnel.
 // 2023-04-06 - EC - Adds different rich for Apple
@@ -31,7 +31,7 @@ void setup_sis100_electron()
   TString pipeGeoTag      = "v21d:v21i"; // corresponds to 11 AGeV/c beam momentum (fully-stripped Au ions)
   TString mvdGeoTag       = "v20d_tr";
   TString stsGeoTag       = "v22d";
-  TString richGeoTag      = "v23a";
+  TString richGeoTag      = "v24a";
   TString trdGeoTag       = "v20b_1e";
   TString tofGeoTag       = "v21a_1e";
   TString fsdGeoTag       = "v23i";