diff --git a/include/functions.h b/include/functions.h
index 98cfefe655..367d784ae0 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -236,8 +236,8 @@ u32 __osCheckArena(Arena* heap);
 void* proutSprintf(void* s, const char* buf, size_t n);
 s32 vsprintf(char* dst, char* fmt, va_list args);
 s32 sprintf(char* s, char* fmt, ...);
-void PrintUtils_VPrintf(void* callback, const char* fmt, va_list args);
-// void PrintUtils_Printf(void);
+void PrintUtils_VPrintf(PrintCallback* pfn, const char* fmt, va_list args);
+void PrintUtils_Printf(PrintCallback* pfn, const char* fmt, ...);
 void Sleep_Cycles(OSTime time);
 // void Sleep_Nsec(void);
 void Sleep_Usec(s32);
diff --git a/src/boot_O2/gfxprint.c b/src/boot_O2/gfxprint.c
index 4857996789..f671c6f5ca 100644
--- a/src/boot_O2/gfxprint.c
+++ b/src/boot_O2/gfxprint.c
@@ -172,7 +172,7 @@ Gfx* GfxPrint_Close(GfxPrint* this) {
 }
 
 void GfxPrint_VPrintf(GfxPrint* this, const char* fmt, va_list args) {
-    PrintUtils_VPrintf(&this->callback, fmt, args);
+    PrintUtils_VPrintf((PrintCallback*)&this->callback, fmt, args);
 }
 
 void GfxPrint_Printf(GfxPrint* this, const char* fmt, ...) {
@@ -180,4 +180,6 @@ void GfxPrint_Printf(GfxPrint* this, const char* fmt, ...) {
     va_start(args, fmt);
 
     GfxPrint_VPrintf(this, fmt, args);
+    
+    va_end(args);
 }
diff --git a/src/boot_O2/printutils.c b/src/boot_O2/printutils.c
index fb5b81033e..4f04fca145 100644
--- a/src/boot_O2/printutils.c
+++ b/src/boot_O2/printutils.c
@@ -1,5 +1,14 @@
 #include "global.h"
 
-#pragma GLOBAL_ASM("asm/non_matchings/boot/printutils/PrintUtils_VPrintf.s")
+void PrintUtils_VPrintf(PrintCallback* pfn, const char* fmt, va_list args) {
+    _Printf(*pfn, pfn, fmt, args);
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/boot/printutils/PrintUtils_Printf.s")
+void PrintUtils_Printf(PrintCallback* pfn, const char* fmt, ...) {
+    va_list args;
+    va_start(args, fmt);
+
+    PrintUtils_VPrintf(pfn, fmt, args);
+    
+    va_end(args);
+}
diff --git a/src/boot_O2_g3/fault_drawer.c b/src/boot_O2_g3/fault_drawer.c
index a5d728864f..74a3b7e5ec 100644
--- a/src/boot_O2_g3/fault_drawer.c
+++ b/src/boot_O2_g3/fault_drawer.c
@@ -153,6 +153,8 @@ void FaultDrawer_Printf(const char* fmt, ...) {
     va_start(args, fmt);
 
     FaultDrawer_VPrintf(fmt, args);
+
+    va_end(args);
 }
 
 void FaultDrawer_DrawText(s32 x, s32 y, const char* fmt, ...) {
@@ -161,6 +163,8 @@ void FaultDrawer_DrawText(s32 x, s32 y, const char* fmt, ...) {
 
     FaultDrawer_SetCursor(x, y);
     FaultDrawer_VPrintf(fmt, args);
+
+    va_end(args);
 }
 
 void FaultDrawer_SetDrawerFB(void* fb, u16 w, u16 h) {
diff --git a/src/libultra/rmon/sprintf.c b/src/libultra/rmon/sprintf.c
index 7658bbd302..446a747027 100644
--- a/src/libultra/rmon/sprintf.c
+++ b/src/libultra/rmon/sprintf.c
@@ -14,12 +14,15 @@ int vsprintf(char* dst, char* fmt, va_list args) {
 
 int sprintf(char* dst, char* fmt, ...) {
     int ans;
-    va_list ap;
-    va_start(ap, fmt);
+    va_list args;
+    va_start(args, fmt);
 
-    ans = _Printf(&proutSprintf, dst, fmt, ap);
+    ans = _Printf(&proutSprintf, dst, fmt, args);
     if (ans > -1) {
         dst[ans] = 0;
     }
+
+    va_end(args);
+
     return ans;
 }