diff --git a/data/event_scripts.s b/data/event_scripts.s
index 33fc318957..8a2703423b 100644
--- a/data/event_scripts.s
+++ b/data/event_scripts.s
@@ -41,6 +41,7 @@
 #include "constants/moves.h"
 #include "constants/party_menu.h"
 #include "constants/pokemon.h"
+#include "constants/pokemon_size_record.h"
 #include "constants/roulette.h"
 #include "constants/script_menu.h"
 #include "constants/secret_bases.h"
diff --git a/data/maps/SootopolisCity_LotadAndSeedotHouse/scripts.inc b/data/maps/SootopolisCity_LotadAndSeedotHouse/scripts.inc
index 52bdf3acee..a8d925767d 100644
--- a/data/maps/SootopolisCity_LotadAndSeedotHouse/scripts.inc
+++ b/data/maps/SootopolisCity_LotadAndSeedotHouse/scripts.inc
@@ -11,9 +11,9 @@ SootopolisCity_LotadAndSeedotHouse_EventScript_SeedotBrother::
 	copyvar VAR_RESULT, VAR_0x8004
 	goto_if_eq VAR_RESULT, PARTY_NOTHING_CHOSEN, SootopolisCity_LotadAndSeedotHouse_EventScript_CancelShowSeedot
 	special CompareSeedotSize
-	goto_if_eq VAR_RESULT, 1, SootopolisCity_LotadAndSeedotHouse_EventScript_NotSeedot
-	goto_if_eq VAR_RESULT, 2, SootopolisCity_LotadAndSeedotHouse_EventScript_SmallSeedot
-	goto_if_eq VAR_RESULT, 3, SootopolisCity_LotadAndSeedotHouse_EventScript_BigSeedot
+	goto_if_eq VAR_RESULT, COMPARE_SIZE_INCORRECT_SPECIES, SootopolisCity_LotadAndSeedotHouse_EventScript_NotSeedot
+	goto_if_eq VAR_RESULT, COMPARE_SIZE_SMALLER, SootopolisCity_LotadAndSeedotHouse_EventScript_SmallSeedot
+	goto_if_eq VAR_RESULT, COMPARE_SIZE_LARGER, SootopolisCity_LotadAndSeedotHouse_EventScript_BigSeedot
 	release
 	end
 
@@ -55,9 +55,9 @@ SootopolisCity_LotadAndSeedotHouse_EventScript_LotadBrother::
 	copyvar VAR_RESULT, VAR_0x8004
 	goto_if_eq VAR_RESULT, PARTY_NOTHING_CHOSEN, SootopolisCity_LotadAndSeedotHouse_EventScript_CancelShowLotad
 	special CompareLotadSize
-	goto_if_eq VAR_RESULT, 1, SootopolisCity_LotadAndSeedotHouse_EventScript_NotLotad
-	goto_if_eq VAR_RESULT, 2, SootopolisCity_LotadAndSeedotHouse_EventScript_SmallLotad
-	goto_if_eq VAR_RESULT, 3, SootopolisCity_LotadAndSeedotHouse_EventScript_BigLotad
+	goto_if_eq VAR_RESULT, COMPARE_SIZE_INCORRECT_SPECIES, SootopolisCity_LotadAndSeedotHouse_EventScript_NotLotad
+	goto_if_eq VAR_RESULT, COMPARE_SIZE_SMALLER, SootopolisCity_LotadAndSeedotHouse_EventScript_SmallLotad
+	goto_if_eq VAR_RESULT, COMPARE_SIZE_LARGER, SootopolisCity_LotadAndSeedotHouse_EventScript_BigLotad
 	release
 	end
 
diff --git a/include/constants/pokemon_size_record.h b/include/constants/pokemon_size_record.h
new file mode 100644
index 0000000000..d764716fec
--- /dev/null
+++ b/include/constants/pokemon_size_record.h
@@ -0,0 +1,12 @@
+#ifndef GUARD_CONSTANTS_POKEMON_SIZE_RECORD_H
+#define GUARD_CONSTANTS_POKEMON_SIZE_RECORD_H
+
+enum
+{
+    COMPARE_SIZE_NONE,
+    COMPARE_SIZE_INCORRECT_SPECIES,
+    COMPARE_SIZE_SMALLER,
+    COMPARE_SIZE_LARGER,
+};
+
+#endif // GUARD_CONSTANTS_POKEMON_SIZE_RECORD_H
diff --git a/src/pokemon_size_record.c b/src/pokemon_size_record.c
index 7c88e5bf10..71890b526d 100644
--- a/src/pokemon_size_record.c
+++ b/src/pokemon_size_record.c
@@ -6,6 +6,7 @@
 #include "pokemon_size_record.h"
 #include "string_util.h"
 #include "text.h"
+#include "constants/pokemon_size_record.h"
 
 #define DEFAULT_MAX_SIZE 0x8000 // was 0x8100 in Ruby/Sapphire
 
@@ -109,7 +110,7 @@ static u8 CompareMonSize(u16 species, u16 *sizeRecord)
 {
     if (gSpecialVar_Result == 0xFF)
     {
-        return 0;
+        return COMPARE_SIZE_NONE;
     }
     else
     {
@@ -117,7 +118,7 @@ static u8 CompareMonSize(u16 species, u16 *sizeRecord)
 
         if (GetMonData(pkmn, MON_DATA_IS_EGG) == TRUE || GetMonData(pkmn, MON_DATA_SPECIES) != species)
         {
-            return 1;
+            return COMPARE_SIZE_INCORRECT_SPECIES;
         }
         else
         {
@@ -131,12 +132,12 @@ static u8 CompareMonSize(u16 species, u16 *sizeRecord)
             FormatMonSizeRecord(gStringVar2, newSize);
             if (newSize <= oldSize)
             {
-                return 2;
+                return COMPARE_SIZE_SMALLER;
             }
             else
             {
                 *sizeRecord = sizeParams;
-                return 3;
+                return COMPARE_SIZE_LARGER;
             }
         }
     }