diff --git a/asm/code_80521D0.s b/asm/code_80521D0.s
index bbdaf8c08..2acfee959 100644
--- a/asm/code_80521D0.s
+++ b/asm/code_80521D0.s
@@ -2733,7 +2733,7 @@ _0805397C:
 	ldr r2, [sp, 0x8]
 	ldr r0, [sp, 0x40]
 	adds r1, r4, 0
-	bl FixedPoint_Substract
+	bl FixedPoint_Subtract
 	ldr r0, [sp, 0xC]
 	ldr r3, [sp, 0x3C]
 	str r0, [r3]
diff --git a/asm/code_8069E0C.s b/asm/code_8069E0C.s
index b3816fe02..879b8ae64 100644
--- a/asm/code_8069E0C.s
+++ b/asm/code_8069E0C.s
@@ -447,7 +447,7 @@ _0806A664:
 	mov r0, sp
 	adds r1, r5, 0
 	movs r2, 0x5
-	bl FixedPoint_Substract
+	bl FixedPoint_Subtract
 	ldr r0, [sp]
 	str r0, [r4]
 	movs r1, 0
@@ -529,7 +529,7 @@ _0806A70E:
 	ldr r2, [sp]
 	add r0, sp, 0x4
 	adds r1, r4, 0
-	bl FixedPoint_Substract
+	bl FixedPoint_Subtract
 	ldr r0, [sp, 0x4]
 	str r0, [r5]
 	b _0806A744
diff --git a/include/number_util.h b/include/number_util.h
index 9d186bee2..e3e7b4a1a 100644
--- a/include/number_util.h
+++ b/include/number_util.h
@@ -14,7 +14,7 @@ struct unkStruct_80943A8
 } unkStruct_80943A8;
 
 FixedPoint FixedPoint_Add(FixedPoint a, FixedPoint b);
-FixedPoint FixedPoint_Substract(FixedPoint a, FixedPoint b);
+FixedPoint FixedPoint_Subtract(FixedPoint a, FixedPoint b);
 FixedPoint FixedPoint_Min(FixedPoint a, FixedPoint b);
 FixedPoint FixedPoint_Max(FixedPoint a, FixedPoint b);
 FixedPoint sub_8094370(FixedPoint param_1, FixedPoint param_2);
diff --git a/src/code_8073CF0.c b/src/code_8073CF0.c
index 570d021d9..ed8af85c4 100644
--- a/src/code_8073CF0.c
+++ b/src/code_8073CF0.c
@@ -348,7 +348,7 @@ void sub_8074094(Entity *entity)
 
         bellyBefore = entityInfo->belly;
         var_38 = FixedPoint_SetFromUnk(&sp10);
-        entityInfo->belly = FixedPoint_Substract(bellyBefore, var_38);
+        entityInfo->belly = FixedPoint_Subtract(bellyBefore, var_38);
         sound = TRUE;
         if (FixedPointToInt(bellyBefore) > 19 && FixedPointToInt(entityInfo->belly) <= 19)
             str = gUnknown_80FD594;
diff --git a/src/number_util.c b/src/number_util.c
index ed52e18d0..6e693455c 100644
--- a/src/number_util.c
+++ b/src/number_util.c
@@ -15,7 +15,7 @@ FixedPoint FixedPoint_Add(FixedPoint a, FixedPoint b)
     return a;
 }
 
-FixedPoint FixedPoint_Substract(FixedPoint a, FixedPoint b)
+FixedPoint FixedPoint_Subtract(FixedPoint a, FixedPoint b)
 {
     a.unk2 -= b.unk2;
     a.unk0 -= b.unk0;
diff --git a/src/status.c b/src/status.c
index b34f24f83..1506daf40 100644
--- a/src/status.c
+++ b/src/status.c
@@ -1249,7 +1249,7 @@ void sub_8078A58(struct Entity *pokemon, struct Entity *target, s32 param_3, s32
     if (param_4 != 0) {
         FixedPoint sp0 = IntToFixedPoint(param_4);
         bellyBefore = targetInfo->maxBelly;
-        targetInfo->maxBelly = FixedPoint_Substract(bellyBefore, sp0);
+        targetInfo->maxBelly = FixedPoint_Subtract(bellyBefore, sp0);
         targetInfo->belly = FixedPoint_Min(targetInfo->belly, targetInfo->maxBelly);
         SetMessageArgument(gAvailablePokemonNames, target, 0);
 
@@ -1263,7 +1263,7 @@ void sub_8078A58(struct Entity *pokemon, struct Entity *target, s32 param_3, s32
     else {
         FixedPoint sp8 = IntToFixedPoint(param_3);
         bellyBefore = targetInfo->belly;
-        targetInfo->belly = FixedPoint_Substract(bellyBefore, sp8);
+        targetInfo->belly = FixedPoint_Subtract(bellyBefore, sp8);
 
         SetMessageArgument(gAvailablePokemonNames, target, 0);