--- a/src/in_ncsf/SSEQPlayer/INFOEntry.cpp
+++ b/src/in_ncsf/SSEQPlayer/INFOEntry.cpp
@@ -17,7 +17,8 @@
 
 void INFOEntrySEQ::Read(PseudoFile &file)
 {
-	this->fileID = file.ReadLE<std::uint32_t>();
+	this->fileID = file.ReadLE<std::uint16_t>();
+	file.ReadLE<std::uint16_t>(); // unknown
 	this->bank = file.ReadLE<std::uint16_t>();
 	this->vol = file.ReadLE<std::uint8_t>();
 	if (!this->vol)
@@ -34,7 +35,8 @@
 
 void INFOEntryBANK::Read(PseudoFile &file)
 {
-	this->fileID = file.ReadLE<std::uint32_t>();
+	this->fileID = file.ReadLE<std::uint16_t>();
+	file.ReadLE<std::uint16_t>(); // unknown
 	file.ReadLE(this->waveArc);
 }
 
@@ -44,7 +46,8 @@
 
 void INFOEntryWAVEARC::Read(PseudoFile &file)
 {
-	this->fileID = file.ReadLE<std::uint32_t>();
+	this->fileID = file.ReadLE<std::uint16_t>();
+	file.ReadLE<std::uint16_t>(); // unknown
 }
 
 INFOEntryPLAYER::INFOEntryPLAYER() : channelMask(0)

--- a/src/in_ncsf/SSEQPlayer/INFOEntry.h
+++ b/src/in_ncsf/SSEQPlayer/INFOEntry.h
@@ -23,7 +23,7 @@
 
 struct INFOEntrySEQ : INFOEntry
 {
-	std::uint32_t fileID;
+	std::uint16_t fileID;
 	std::uint16_t bank;
 	std::uint8_t vol;
 	std::uint8_t ply;
@@ -35,7 +35,7 @@
 
 struct INFOEntryBANK : INFOEntry
 {
-	std::uint32_t fileID;
+	std::uint16_t fileID;
 	std::uint16_t waveArc[4];
 
 	INFOEntryBANK();
@@ -45,7 +45,7 @@
 
 struct INFOEntryWAVEARC : INFOEntry
 {
-	std::uint32_t fileID;
+	std::uint16_t fileID;
 
 	INFOEntryWAVEARC();
 

--- a/src/in_ncsf/SSEQPlayer/SDAT.cpp
+++ b/src/in_ncsf/SSEQPlayer/SDAT.cpp
@@ -53,7 +53,7 @@
 	// Read SSEQ
 	if (infoSection.SEQrecord.entries.count(sseqToLoad))
 	{
-		std::uint32_t fileID = infoSection.SEQrecord.entries[sseqToLoad].fileID;
+		std::uint16_t fileID = infoSection.SEQrecord.entries[sseqToLoad].fileID;
 		std::string name = "SSEQ" + NumToHexString(fileID).substr(2);
 		if (SYMBOffset)
 			name = NumToHexString(sseqToLoad).substr(6) + " - " + symbSection.SEQrecord.entries[sseqToLoad];