diff --git a/asm/Kyoto/DolphinCMemoryCardSys.s b/asm/Kyoto/DolphinCMemoryCardSys.s
index 9087346f..d09239a2 100644
--- a/asm/Kyoto/DolphinCMemoryCardSys.s
+++ b/asm/Kyoto/DolphinCMemoryCardSys.s
@@ -761,8 +761,8 @@ lbl_8034DE2C:
 /* 8034DE3C 0034AD9C  38 21 00 20 */	addi r1, r1, 0x20
 /* 8034DE40 0034ADA0  4E 80 00 20 */	blr
 
-.global Write__14CMemoryCardSysFRQ214CMemoryCardSys13CCardFileInfoPCvUlUl
-Write__14CMemoryCardSysFRQ214CMemoryCardSys13CCardFileInfoPCvUlUl:
+.global WriteFile__13CCardFileInfoFv
+WriteFile__13CCardFileInfoFv:
 /* 8034DE44 0034ADA4  94 21 FF E0 */	stwu r1, -0x20(r1)
 /* 8034DE48 0034ADA8  7C 08 02 A6 */	mflr r0
 /* 8034DE4C 0034ADAC  90 01 00 24 */	stw r0, 0x24(r1)
diff --git a/asm/MetroidPrime/CMemoryCardDriver.s b/asm/MetroidPrime/CMemoryCardDriver.s
index 52cd551e..9dc5ef89 100644
--- a/asm/MetroidPrime/CMemoryCardDriver.s
+++ b/asm/MetroidPrime/CMemoryCardDriver.s
@@ -1408,7 +1408,7 @@ StartFileWriteTransactional__17CMemoryCardDriverFv:
 /* 8024D4D8 0024A438  38 00 00 22 */	li r0, 0x22
 /* 8024D4DC 0024A43C  90 03 00 10 */	stw r0, 0x10(r3)
 /* 8024D4E0 0024A440  80 63 01 98 */	lwz r3, 0x198(r3)
-/* 8024D4E4 0024A444  48 10 09 61 */	bl Write__14CMemoryCardSysFRQ214CMemoryCardSys13CCardFileInfoPCvUlUl
+/* 8024D4E4 0024A444  48 10 09 61 */	bl WriteFile__13CCardFileInfoFv
 /* 8024D4E8 0024A448  7C 64 1B 79 */	or. r4, r3, r3
 /* 8024D4EC 0024A44C  41 82 00 0C */	beq lbl_8024D4F8
 /* 8024D4F0 0024A450  7F E3 FB 78 */	mr r3, r31
@@ -1646,7 +1646,7 @@ StartFileWrite__17CMemoryCardDriverFv:
 /* 8024D80C 0024A76C  38 00 00 20 */	li r0, 0x20
 /* 8024D810 0024A770  90 03 00 10 */	stw r0, 0x10(r3)
 /* 8024D814 0024A774  80 63 01 98 */	lwz r3, 0x198(r3)
-/* 8024D818 0024A778  48 10 06 2D */	bl Write__14CMemoryCardSysFRQ214CMemoryCardSys13CCardFileInfoPCvUlUl
+/* 8024D818 0024A778  48 10 06 2D */	bl WriteFile__13CCardFileInfoFv
 /* 8024D81C 0024A77C  7C 64 1B 79 */	or. r4, r3, r3
 /* 8024D820 0024A780  41 82 00 0C */	beq lbl_8024D82C
 /* 8024D824 0024A784  7F E3 FB 78 */	mr r3, r31
diff --git a/include/Kyoto/CMemoryCardSys.hpp b/include/Kyoto/CMemoryCardSys.hpp
index ee710697..673dd209 100644
--- a/include/Kyoto/CMemoryCardSys.hpp
+++ b/include/Kyoto/CMemoryCardSys.hpp
@@ -53,6 +53,7 @@ public:
 
   ECardResult PumpCardTransfer();
   ECardResult CreateFile();
+  ECardResult WriteFile();
   ECardResult CloseFile();
 };
 
diff --git a/src/MetroidPrime/CMemoryCardDriver.cpp b/src/MetroidPrime/CMemoryCardDriver.cpp
index 94b5b2ba..5f701558 100644
--- a/src/MetroidPrime/CMemoryCardDriver.cpp
+++ b/src/MetroidPrime/CMemoryCardDriver.cpp
@@ -580,7 +580,13 @@ void CMemoryCardDriver::StartFileCreate() {
     UpdateFileCreate(result);
 }
 
-void CMemoryCardDriver::StartFileWrite() {}
+void CMemoryCardDriver::StartFileWrite() {
+  x14_error = kE_OK;
+  x10_state = kS_FileWrite;
+  ECardResult result = x198_fileInfo->WriteFile();
+  if (result != kCR_READY)
+    UpdateFileWrite(result);
+}
 
 void CMemoryCardDriver::StartFileCreateTransactional() {}