diff --git a/DATA/UNIVERSE/universe.ini b/DATA/UNIVERSE/universe.ini
index 4b0f7813..c4730d13 100644
--- a/DATA/UNIVERSE/universe.ini
+++ b/DATA/UNIVERSE/universe.ini
@@ -2227,7 +2227,7 @@ msg_id_prefix = gcs_refer_system_ST04
 ; Cairo
 
 [Base]
-nickname = St04_01_Base
+nickname = ST04_01_Base
 system = st04
 strid_name = 198000
 file = UNIVERSE\SYSTEMS\ST04\Bases\St04_01_Base.ini
@@ -2236,7 +2236,7 @@ BGCS_base_run_by = W02bF35
 ; Menes
 
 [Base]
-nickname = St04_02_Base
+nickname = ST04_02_Base
 system = st04
 strid_name = 198001
 file = UNIVERSE\SYSTEMS\ST04\Bases\St04_02_Base.ini
@@ -2245,7 +2245,7 @@ BGCS_base_run_by = W02bF35
 ; Sinai
 
 [Base]
-nickname = St04_03_Base
+nickname = ST04_03_Base
 system = st04
 strid_name = 198002
 file = UNIVERSE\SYSTEMS\ST04\Bases\St04_03_Base.ini
@@ -2254,7 +2254,7 @@ BGCS_base_run_by = W02bF35
 OS Djoser
 
 [Base]
-nickname = St04_04_Base
+nickname = ST04_04_Base
 system = st04
 strid_name = 198003
 file = UNIVERSE\SYSTEMS\ST04\Bases\St04_04_Base.ini