diff --git a/src/oak_speech.c b/src/oak_speech.c
index 4d2e4ccb8..e2e7eb9b0 100644
--- a/src/oak_speech.c
+++ b/src/oak_speech.c
@@ -17,6 +17,8 @@
 #include "data.h"
 #include "constants/songs.h"
 
+#define INTRO_SPECIES SPECIES_NIDORAN_F
+
 enum
 {
     WIN_INTRO_TEXTBOX,
@@ -1191,7 +1193,7 @@ static void Task_OakSpeech_IsInhabitedFarAndWide(u8 taskId)
         if (gTasks[taskId].tTimer == 32)
         {
             OakSpeechPrintMessage(gOakSpeech_Text_IsInhabitedFarAndWide, sOakSpeechResources->textSpeed);
-            PlayCry_Normal(SPECIES_NIDORAN_F, 0);
+            PlayCry_Normal(INTRO_SPECIES, 0);
         }
     }
 }
@@ -1876,9 +1878,9 @@ static void CreateNidoranFSprite(u8 taskId)
 {
     u8 spriteId;
 
-    DecompressPicFromTable(&gMonFrontPicTable[SPECIES_NIDORAN_F], MonSpritesGfxManager_GetSpritePtr(0), SPECIES_NIDORAN_F);
-    LoadCompressedSpritePaletteUsingHeap(&gMonPaletteTable[SPECIES_NIDORAN_F]);
-    SetMultiuseSpriteTemplateToPokemon(SPECIES_NIDORAN_F, 0);
+    DecompressPicFromTable(&gMonFrontPicTable[INTRO_SPECIES], MonSpritesGfxManager_GetSpritePtr(0), INTRO_SPECIES);
+    LoadCompressedSpritePaletteUsingHeap(&gMonPaletteTable[INTRO_SPECIES]);
+    SetMultiuseSpriteTemplateToPokemon(INTRO_SPECIES, 0);
     spriteId = CreateSprite(&gMultiuseSpriteTemplate, 96, 96, 1);
     gSprites[spriteId].callback = SpriteCallbackDummy;
     gSprites[spriteId].oam.priority = 1;