diff --git a/rpcs3/Emu/SysCalls/ErrorCodes.h b/rpcs3/Emu/SysCalls/ErrorCodes.h
index 9cedbc510b..373c806539 100644
--- a/rpcs3/Emu/SysCalls/ErrorCodes.h
+++ b/rpcs3/Emu/SysCalls/ErrorCodes.h
@@ -1,66 +1,69 @@
 #pragma once
 
-enum ErrorCode
-{
-	CELL_OK            = 0x00000000,
-	CELL_EAGAIN        = 0x80010001, //The resource is temporarily unavailable
-	CELL_EINVAL        = 0x80010002, //An invalid argument value is specified
-	CELL_ENOSYS        = 0x80010003, //The feature is not yet implemented
-	CELL_ENOMEM        = 0x80010004, //Memory allocation failure
-	CELL_ESRCH         = 0x80010005, //The resource with the specified identifier does not exist
-	CELL_ENOENT        = 0x80010006, //The file does not exist
-	CELL_ENOEXEC       = 0x80010007, //The file is in unrecognized format
-	CELL_EDEADLK       = 0x80010008, //Resource deadlock is avoided
-	CELL_EPERM         = 0x80010009, //The operation is not permitted
-	CELL_EBUSY         = 0x8001000A, //The device or resource is busy
-	CELL_ETIMEDOUT     = 0x8001000B, //The operation is timed out
-	CELL_EABORT        = 0x8001000C, //The operation is aborted
-	CELL_EFAULT        = 0x8001000D, //Invalid memory access
-	CELL_ESTAT         = 0x8001000F, //State of the target thread is invalid
-	CELL_EALIGN        = 0x80010010, //Alignment is invalid.
-	CELL_EKRESOURCE    = 0x80010011, //Shortage of the kernel resources
-	CELL_EISDIR        = 0x80010012, //The file is a directory
-	CELL_ECANCELED     = 0x80010013, //Operation canceled
-	CELL_EEXIST        = 0x80010014, //Entry already exists
-	CELL_EISCONN       = 0x80010015, //Port is already connected
-	CELL_ENOTCONN      = 0x80010016, //Port is not connected
-	CELL_EAUTHFAIL     = 0x80010017, //Program authentication fail
-	CELL_ENOTMSELF     = 0x80010018, //The file is not a MSELF
-	CELL_ESYSVER       = 0x80010019, //System version error
-	CELL_EAUTHFATAL    = 0x8001001A, //Fatal system error
-	CELL_EDOM          = 0x8001001B,
-	CELL_ERANGE        = 0x8001001C,
-	CELL_EILSEQ        = 0x8001001D,
-	CELL_EFPOS         = 0x8001001E,
-	CELL_EINTR         = 0x8001001F,
-	CELL_EFBIG         = 0x80010020,
-	CELL_EMLINK        = 0x80010021,
-	CELL_ENFILE        = 0x80010022,
-	CELL_ENOSPC        = 0x80010023,
-	CELL_ENOTTY        = 0x80010024,
-	CELL_EPIPE         = 0x80010025,
-	CELL_EROFS         = 0x80010026,
-	CELL_ESPIPE        = 0x80010027,
-	CELL_E2BIG         = 0x80010028,
-	CELL_EACCES        = 0x80010029,
-	CELL_EBADF         = 0x8001002A,
-	CELL_EIO           = 0x8001002B,
-	CELL_EMFILE        = 0x8001002C,
-	CELL_ENODEV        = 0x8001002D,
-	CELL_ENOTDIR       = 0x8001002E,
-	CELL_ENXIO         = 0x8001002F,
-	CELL_EXDEV         = 0x80010030,
-	CELL_EBADMSG       = 0x80010031,
-	CELL_EINPROGRESS   = 0x80010032,
-	CELL_EMSGSIZE      = 0x80010033,
-	CELL_ENAMETOOLONG  = 0x80010034,
-	CELL_ENOLCK        = 0x80010035,
-	CELL_ENOTEMPTY     = 0x80010036,
-	CELL_ENOTSUP       = 0x80010037,
-	CELL_EFSSPECIFIC   = 0x80010038,
-	CELL_EOVERFLOW     = 0x80010039,
-	CELL_ENOTMOUNTED   = 0x8001003A,
-	CELL_ENOTSDATA     = 0x8001003B,
+#define ERROR_CODE(code) static_cast<s32>(code)
 
-	CELL_UNKNOWN_ERROR = 0xFFFFFFFF,
-};
\ No newline at end of file
+enum : s32
+{
+	CELL_OK            = 0,
+
+	CELL_EAGAIN        = ERROR_CODE(0x80010001), // The resource is temporarily unavailable
+	CELL_EINVAL        = ERROR_CODE(0x80010002), // An invalid argument value is specified
+	CELL_ENOSYS        = ERROR_CODE(0x80010003), // The feature is not yet implemented
+	CELL_ENOMEM        = ERROR_CODE(0x80010004), // Memory allocation failure
+	CELL_ESRCH         = ERROR_CODE(0x80010005), // The resource with the specified identifier does not exist
+	CELL_ENOENT        = ERROR_CODE(0x80010006), // The file does not exist
+	CELL_ENOEXEC       = ERROR_CODE(0x80010007), // The file is in unrecognized format
+	CELL_EDEADLK       = ERROR_CODE(0x80010008), // Resource deadlock is avoided
+	CELL_EPERM         = ERROR_CODE(0x80010009), // The operation is not permitted
+	CELL_EBUSY         = ERROR_CODE(0x8001000A), // The device or resource is busy
+	CELL_ETIMEDOUT     = ERROR_CODE(0x8001000B), // The operation is timed out
+	CELL_EABORT        = ERROR_CODE(0x8001000C), // The operation is aborted
+	CELL_EFAULT        = ERROR_CODE(0x8001000D), // Invalid memory access
+	CELL_ESTAT         = ERROR_CODE(0x8001000F), // State of the target thread is invalid
+	CELL_EALIGN        = ERROR_CODE(0x80010010), // Alignment is invalid.
+	CELL_EKRESOURCE    = ERROR_CODE(0x80010011), // Shortage of the kernel resources
+	CELL_EISDIR        = ERROR_CODE(0x80010012), // The file is a directory
+	CELL_ECANCELED     = ERROR_CODE(0x80010013), // Operation canceled
+	CELL_EEXIST        = ERROR_CODE(0x80010014), // Entry already exists
+	CELL_EISCONN       = ERROR_CODE(0x80010015), // Port is already connected
+	CELL_ENOTCONN      = ERROR_CODE(0x80010016), // Port is not connected
+	CELL_EAUTHFAIL     = ERROR_CODE(0x80010017), // Program authentication fail
+	CELL_ENOTMSELF     = ERROR_CODE(0x80010018), // The file is not a MSELF
+	CELL_ESYSVER       = ERROR_CODE(0x80010019), // System version error
+	CELL_EAUTHFATAL    = ERROR_CODE(0x8001001A), // Fatal system error
+	CELL_EDOM          = ERROR_CODE(0x8001001B),
+	CELL_ERANGE        = ERROR_CODE(0x8001001C),
+	CELL_EILSEQ        = ERROR_CODE(0x8001001D),
+	CELL_EFPOS         = ERROR_CODE(0x8001001E),
+	CELL_EINTR         = ERROR_CODE(0x8001001F),
+	CELL_EFBIG         = ERROR_CODE(0x80010020),
+	CELL_EMLINK        = ERROR_CODE(0x80010021),
+	CELL_ENFILE        = ERROR_CODE(0x80010022),
+	CELL_ENOSPC        = ERROR_CODE(0x80010023),
+	CELL_ENOTTY        = ERROR_CODE(0x80010024),
+	CELL_EPIPE         = ERROR_CODE(0x80010025),
+	CELL_EROFS         = ERROR_CODE(0x80010026),
+	CELL_ESPIPE        = ERROR_CODE(0x80010027),
+	CELL_E2BIG         = ERROR_CODE(0x80010028),
+	CELL_EACCES        = ERROR_CODE(0x80010029),
+	CELL_EBADF         = ERROR_CODE(0x8001002A),
+	CELL_EIO           = ERROR_CODE(0x8001002B),
+	CELL_EMFILE        = ERROR_CODE(0x8001002C),
+	CELL_ENODEV        = ERROR_CODE(0x8001002D),
+	CELL_ENOTDIR       = ERROR_CODE(0x8001002E),
+	CELL_ENXIO         = ERROR_CODE(0x8001002F),
+	CELL_EXDEV         = ERROR_CODE(0x80010030),
+	CELL_EBADMSG       = ERROR_CODE(0x80010031),
+	CELL_EINPROGRESS   = ERROR_CODE(0x80010032),
+	CELL_EMSGSIZE      = ERROR_CODE(0x80010033),
+	CELL_ENAMETOOLONG  = ERROR_CODE(0x80010034),
+	CELL_ENOLCK        = ERROR_CODE(0x80010035),
+	CELL_ENOTEMPTY     = ERROR_CODE(0x80010036),
+	CELL_ENOTSUP       = ERROR_CODE(0x80010037),
+	CELL_EFSSPECIFIC   = ERROR_CODE(0x80010038),
+	CELL_EOVERFLOW     = ERROR_CODE(0x80010039),
+	CELL_ENOTMOUNTED   = ERROR_CODE(0x8001003A),
+	CELL_ENOTSDATA     = ERROR_CODE(0x8001003B),
+
+	CELL_UNKNOWN_ERROR = -1,
+};
diff --git a/rpcs3/Emu/SysCalls/Modules/cellPngDec.cpp b/rpcs3/Emu/SysCalls/Modules/cellPngDec.cpp
index 6020324200..2b201f20a0 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellPngDec.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellPngDec.cpp
@@ -145,7 +145,7 @@ s32 pngReadHeader(
 	{
 		auto file = Emu.GetIdManager().GetIDData<vfsStream>(stream->fd);
 		file->Seek(0);
-		file->Read(buffer, buffer.size());
+		file->Read(buffer.begin(), buffer.size());
 		break;
 	}
 	}