diff --git a/data/campaigns/Under_the_Burning_Suns/scenarios/09_Blood_is_Thicker_Than_Water.cfg b/data/campaigns/Under_the_Burning_Suns/scenarios/09_Blood_is_Thicker_Than_Water.cfg
index 3a15baa079a..d71e2a7855c 100644
--- a/data/campaigns/Under_the_Burning_Suns/scenarios/09_Blood_is_Thicker_Than_Water.cfg
+++ b/data/campaigns/Under_the_Burning_Suns/scenarios/09_Blood_is_Thicker_Than_Water.cfg
@@ -401,19 +401,19 @@
         # add items to map
 
         # merfolk trapped in cages
-        {PLACE_IMAGE units/merfolk/warrior.png 25 36}
+        {PLACE_IMAGE "units/merfolk/warrior.png~RC(magenta>red)" 25 36}
         {PLACE_IMAGE items/cage.png 25 36}
 
-        {PLACE_IMAGE units/merfolk/warrior.png 34 31}
+        {PLACE_IMAGE "units/merfolk/warrior.png~RC(magenta>red)" 34 31}
         {PLACE_IMAGE items/cage.png 34 31}
 
-        {PLACE_IMAGE units/merfolk/spearman.png 18 32}
+        {PLACE_IMAGE "units/merfolk/spearman.png~RC(magenta>red)" 18 32}
         {PLACE_IMAGE items/cage.png 18 32}
 
-        {PLACE_IMAGE units/merfolk/priestess.png 31 25}
+        {PLACE_IMAGE "units/merfolk/priestess.png~RC(magenta>red)" 31 25}
         {PLACE_IMAGE items/cage.png 31 25}
 
-        {PLACE_IMAGE units/merfolk/enchantress.png 27 19}
+        {PLACE_IMAGE "units/merfolk/enchantress.png~RC(magenta>red)" 27 19}
         {PLACE_IMAGE items/cage.png 27 19}
 
         # human ships