diff --git a/src/pokemon.c b/src/pokemon.c
index 7eab3ccf68..be8a08341c 100644
--- a/src/pokemon.c
+++ b/src/pokemon.c
@@ -48,11 +48,13 @@
 #include "constants/trainers.h"
 #include "constants/union_room.h"
 
-#define DAY_EVO_HOUR_BEGIN   12
-#define DAY_EVO_HOUR_END     HOURS_PER_DAY
+#define DAY_EVO_HOUR_BEGIN       12
+#define DAY_EVO_HOUR_END         HOURS_PER_DAY
 
-#define NIGHT_EVO_HOUR_BEGIN 0
-#define NIGHT_EVO_HOUR_END   12
+#define NIGHT_EVO_HOUR_BEGIN     0
+#define NIGHT_EVO_HOUR_END       12
+
+#define FRIENDSHIP_EVO_THRESHOLD 220
 
 struct SpeciesItem
 {
@@ -5499,17 +5501,17 @@ u16 GetEvolutionTargetSpecies(struct Pokemon *mon, u8 mode, u16 evolutionItem)
             switch (gEvolutionTable[species][i].method)
             {
             case EVO_FRIENDSHIP:
-                if (friendship >= 220)
+                if (friendship >= FRIENDSHIP_EVO_THRESHOLD)
                     targetSpecies = gEvolutionTable[species][i].targetSpecies;
                 break;
             case EVO_FRIENDSHIP_DAY:
                 RtcCalcLocalTime();
-                if (gLocalTime.hours >= DAY_EVO_HOUR_BEGIN && gLocalTime.hours < DAY_EVO_HOUR_END && friendship >= 220)
+                if (gLocalTime.hours >= DAY_EVO_HOUR_BEGIN && gLocalTime.hours < DAY_EVO_HOUR_END && friendship >= FRIENDSHIP_EVO_THRESHOLD)
                     targetSpecies = gEvolutionTable[species][i].targetSpecies;
                 break;
             case EVO_FRIENDSHIP_NIGHT:
                 RtcCalcLocalTime();
-                if (gLocalTime.hours >= NIGHT_EVO_HOUR_BEGIN && gLocalTime.hours < NIGHT_EVO_HOUR_END && friendship >= 220)
+                if (gLocalTime.hours >= NIGHT_EVO_HOUR_BEGIN && gLocalTime.hours < NIGHT_EVO_HOUR_END && friendship >= FRIENDSHIP_EVO_THRESHOLD)
                     targetSpecies = gEvolutionTable[species][i].targetSpecies;
                 break;
             case EVO_LEVEL: