diff --git a/Source/Project64-core/N64System/N64Class.cpp b/Source/Project64-core/N64System/N64Class.cpp
index cb7f48580..b063599ac 100644
--- a/Source/Project64-core/N64System/N64Class.cpp
+++ b/Source/Project64-core/N64System/N64Class.cpp
@@ -328,7 +328,7 @@ bool CN64System::LoadFileImage(const char * FileLoc)
     WriteTrace(TraceN64System, TraceDebug, "Loading \"%s\"", FileLoc);
     if (g_Rom->LoadN64Image(FileLoc))
     {
-        if (g_Rom->CicChipID() == CIC_NUS_8303 || g_Rom->CicChipID() == CIC_NUS_DDUS)
+        if (g_Rom->IsLoadedRomDDIPL())
         {
             //64DD IPL
             if (g_DDRom == NULL)
@@ -341,7 +341,7 @@ bool CN64System::LoadFileImage(const char * FileLoc)
 
         g_System->RefreshGameSettings();
 
-        if (g_Rom->CicChipID() != CIC_NUS_8303 && g_Rom->CicChipID() != CIC_NUS_DDUS)
+        if (!g_Rom->IsLoadedRomDDIPL())
         {
             g_Settings->SaveString(Game_File, FileLoc);
         }
@@ -390,7 +390,7 @@ bool CN64System::LoadFileImageIPL(const char * FileLoc)
     WriteTrace(TraceN64System, TraceDebug, "Loading \"%s\"", FileLoc);
     if (g_DDRom->LoadN64ImageIPL(FileLoc))
     {
-        if (g_DDRom->CicChipID() != CIC_NUS_8303 && g_DDRom->CicChipID() != CIC_NUS_DDUS)
+        if (!g_DDRom->IsLoadedRomDDIPL())
         {
             //If not 64DD IPL then it's wrong
             WriteTrace(TraceN64System, TraceError, "LoadN64ImageIPL failed (\"%s\")", FileLoc);
@@ -504,7 +504,7 @@ bool CN64System::RunDiskImage(const char * FileLoc)
     }
     else
     {
-        if (g_Rom->CicChipID() != CIC_NUS_8303 && g_Rom->CicChipID() != CIC_NUS_DDUS)
+        if (!g_Rom->IsLoadedRomDDIPL())
         {
             g_Notify->DisplayError(MSG_FAIL_IMAGE_IPL);
             g_Settings->SaveString(File_DiskIPLPath, "");
diff --git a/Source/Project64-core/N64System/N64RomClass.cpp b/Source/Project64-core/N64System/N64RomClass.cpp
index c1a7fcd09..867db420b 100644
--- a/Source/Project64-core/N64System/N64RomClass.cpp
+++ b/Source/Project64-core/N64System/N64RomClass.cpp
@@ -416,6 +416,18 @@ bool CN64Rom::IsValidRomImage(uint8_t Test[4])
     return false;
 }
 
+bool CN64Rom::IsLoadedRomDDIPL()
+{
+    switch (CicChipID())
+    {
+        case CIC_NUS_8303:
+        case CIC_NUS_DDUS:
+            return true;
+        default:
+            return false;
+    }
+}
+
 void CN64Rom::CleanRomName(char * RomName, bool byteswap)
 {
     if (byteswap)
@@ -748,7 +760,7 @@ bool CN64Rom::LoadN64ImageIPL(const char * FileLoc, bool LoadBootCodeOnly)
     WriteTrace(TraceN64System, TraceDebug, "Ident: %s", m_RomIdent.c_str());
     CalculateCicChip();
 
-    if (CicChipID() != CIC_NUS_8303 && CicChipID() != CIC_NUS_DDUS)
+    if (!IsLoadedRomDDIPL())
     {
         SetError(MSG_FAIL_IMAGE_IPL);
         return false;
diff --git a/Source/Project64-core/N64System/N64RomClass.h b/Source/Project64-core/N64System/N64RomClass.h
index 2efa815b4..85cdff972 100644
--- a/Source/Project64-core/N64System/N64RomClass.h
+++ b/Source/Project64-core/N64System/N64RomClass.h
@@ -24,6 +24,7 @@ public:
     bool    LoadN64Image(const char * FileLoc, bool LoadBootCodeOnly = false);
     bool    LoadN64ImageIPL(const char * FileLoc, bool LoadBootCodeOnly = false);
     static bool IsValidRomImage(uint8_t Test[4]);
+    bool    IsLoadedRomDDIPL();
     void    SaveRomSettingID(bool temp);
     void    ClearRomSettingID();
     CICChip CicChipID();
diff --git a/Source/Project64-core/Plugins/AudioPlugin.cpp b/Source/Project64-core/Plugins/AudioPlugin.cpp
index 5aa150774..16ca7aa8f 100644
--- a/Source/Project64-core/Plugins/AudioPlugin.cpp
+++ b/Source/Project64-core/Plugins/AudioPlugin.cpp
@@ -135,7 +135,7 @@ bool CAudioPlugin::Initiate(CN64System * System, RenderWindow * Window)
         CMipsMemoryVM & MMU = System->m_MMU_VM;
         CRegisters & Reg = System->m_Reg;
 
-        if ((g_Rom->CicChipID() == CIC_NUS_8303 || g_Rom->CicChipID() == CIC_NUS_DDUS) && g_Disk != NULL)
+        if (g_Rom->IsLoadedRomDDIPL() && g_Disk != NULL)
             Info.HEADER = g_Disk->GetDiskHeader();
         else
             Info.HEADER = g_Rom->GetRomAddress();
diff --git a/Source/Project64-core/Plugins/GFXPlugin.cpp b/Source/Project64-core/Plugins/GFXPlugin.cpp
index 46ea12fb0..b026deb3e 100644
--- a/Source/Project64-core/Plugins/GFXPlugin.cpp
+++ b/Source/Project64-core/Plugins/GFXPlugin.cpp
@@ -229,7 +229,7 @@ bool CGfxPlugin::Initiate(CN64System * System, RenderWindow * Window)
         CMipsMemoryVM & MMU = System->m_MMU_VM;
         CRegisters & Reg = System->m_Reg;
 
-        if ((g_Rom->CicChipID() == CIC_NUS_8303 || g_Rom->CicChipID() == CIC_NUS_DDUS) && g_Disk != NULL)
+        if (g_Rom->IsLoadedRomDDIPL() && g_Disk != NULL)
             Info.HEADER = g_Disk->GetDiskHeader();
         else
             Info.HEADER = g_Rom->GetRomAddress();
diff --git a/Source/Project64-core/Plugins/RSPPlugin.cpp b/Source/Project64-core/Plugins/RSPPlugin.cpp
index f75bcc9d8..9d15d3a65 100644
--- a/Source/Project64-core/Plugins/RSPPlugin.cpp
+++ b/Source/Project64-core/Plugins/RSPPlugin.cpp
@@ -186,7 +186,7 @@ bool CRSP_Plugin::Initiate(CPlugins * Plugins, CN64System * System)
             CMipsMemoryVM & MMU = System->m_MMU_VM;
             CRegisters & Reg = System->m_Reg;
 
-            if ((g_Rom->CicChipID() == CIC_NUS_8303 || g_Rom->CicChipID() == CIC_NUS_DDUS) && g_Disk != NULL)
+            if (g_Rom->IsLoadedRomDDIPL() && g_Disk != NULL)
                 Info.HEADER = g_Disk->GetDiskHeader();
             else
                 Info.HEADER = g_Rom->GetRomAddress();