diff --git a/Core/HLE/sceKernel.cpp b/Core/HLE/sceKernel.cpp
index 9c2911e48a..c122f56524 100644
--- a/Core/HLE/sceKernel.cpp
+++ b/Core/HLE/sceKernel.cpp
@@ -617,11 +617,10 @@ const HLEFunction ThreadManForUser[] =
 	{0xDAA3F564,WrapI_IU<sceKernelReferAlarmStatus>,"sceKernelReferAlarmStatus"},
 
 	{0xba6b92e2,WrapI_UUU<sceKernelSysClock2USec>,"sceKernelSysClock2USec"},
-	{0x110DEC9A,0,"sceKernelUSec2SysClock"},
-	{0xC8CD158C,WrapU_U<sceKernelUSec2SysClockWide>,"sceKernelUSec2SysClockWide"},
+	{0x110dec9a,WrapI_UU<sceKernelUSec2SysClock>,"sceKernelUSec2SysClock"},
+	{0xC8CD158C,WrapU64_U<sceKernelUSec2SysClockWide>,"sceKernelUSec2SysClockWide"},
 	{0xE1619D7C,WrapI_UUUU<sceKernelSysClock2USecWide>,"sceKernelSysClock2USecWide"},
 
-	{0x110dec9a,WrapI_UU<sceKernelUSec2SysClock>,"sceKernelUSec2SysClock"},
 	{0x278C0DF5,WrapI_IU<sceKernelWaitThreadEnd>,"sceKernelWaitThreadEnd"},
 	{0xd59ead2f,sceKernelWakeupThread,"sceKernelWakeupThread"}, //AI Go, audio?
 
diff --git a/Core/HLE/sceKernelTime.cpp b/Core/HLE/sceKernelTime.cpp
index 4f781c01f1..3ebf607f76 100644
--- a/Core/HLE/sceKernelTime.cpp
+++ b/Core/HLE/sceKernelTime.cpp
@@ -90,6 +90,12 @@ int sceKernelUSec2SysClock(u32 microsec, u32 clockPtr)
 	return 0;
 }
 
+u64 sceKernelUSec2SysClockWide(u32 usec)
+{
+	DEBUG_LOG(HLE, "sceKernelUSec2SysClockWide(%i)", usec);
+	return usec;  // ?
+}
+
 int sceKernelSysClock2USec(u32 sysclockPtr, u32 highPtr, u32 lowPtr)
 {
 	DEBUG_LOG(HLE, "sceKernelSysClock2USec(clock = %08x, lo = %08x, hi = %08x)", sysclockPtr, highPtr, lowPtr);
@@ -114,12 +120,6 @@ int sceKernelSysClock2USecWide(u32 lowClock, u32 highClock, u32 lowPtr, u32 high
 	return 0;
 }
 
-u32 sceKernelUSec2SysClockWide(u32 usec)
-{
-	DEBUG_LOG(HLE, "sceKernelUSec2SysClockWide(%i)", usec);
-	return usec * 1000000;  // ?
-}
-
 u32 sceKernelLibcClock()
 {
 	u32 retVal = (u32) (CoreTiming::GetTicks() / CoreTiming::GetClockFrequencyMHz());
diff --git a/Core/HLE/sceKernelTime.h b/Core/HLE/sceKernelTime.h
index fcffc90bdb..f80f36e4c4 100644
--- a/Core/HLE/sceKernelTime.h
+++ b/Core/HLE/sceKernelTime.h
@@ -25,7 +25,7 @@ u32 sceKernelGetSystemTimeLow();
 u64 sceKernelGetSystemTimeWide();
 int sceKernelSysClock2USec(u32 sysclockPtr, u32 highPtr, u32 lowPtr);
 int sceKernelSysClock2USecWide(u32 lowClock, u32 highClock, u32 lowPtr, u32 highPtr);
-u32 sceKernelUSec2SysClockWide(u32 usec);
+u64 sceKernelUSec2SysClockWide(u32 usec);
 u32 sceKernelLibcClock();
 
 void __KernelTimeInit();