diff --git a/Source/Glide64/Combine.cpp b/Source/Glide64/Combine.cpp
index 0cfc874e3..7f8134672 100644
--- a/Source/Glide64/Combine.cpp
+++ b/Source/Glide64/Combine.cpp
@@ -15659,7 +15659,7 @@ void Combine()
                 Alpha0[(rdp.cycle1 >> 16) & 7], Alpha1[(rdp.cycle1 >> 19) & 7], Alpha2[(rdp.cycle1 >> 22) & 7], Alpha3[(rdp.cycle1 >> 25) & 7],
                 Alpha0[(rdp.cycle2 >> 16) & 7], Alpha1[(rdp.cycle2 >> 19) & 7], Alpha2[(rdp.cycle2 >> 22) & 7], Alpha3[(rdp.cycle2 >> 25) & 7]);
         }
-        if (g_settings->unk_as_red)
+        if (g_settings->unk_as_red())
         {
             BrightRed();
         }
@@ -15668,7 +15668,6 @@ void Combine()
             // use full alpha as default
             ac_t0();
         }
-        //tex |= 3;
     }
     else
     {
diff --git a/Source/Glide64/Settings.cpp b/Source/Glide64/Settings.cpp
index 4c3ba1a1d..84bc0d99a 100644
--- a/Source/Glide64/Settings.cpp
+++ b/Source/Glide64/Settings.cpp
@@ -55,7 +55,7 @@ CSettings::CSettings() :
     m_ghq_hirs_dump(false),
     m_autodetect_ucode(true),
     m_ucode(ucode_Fast3D),
-unk_as_red(0),
+    m_unk_as_red(false),
 unk_clear(0),
 wireframe(0),
 wfmode(0),
@@ -133,7 +133,7 @@ void CSettings::RegisterSettings(void)
     general_setting(Set_ucode, "ucode", ucode_F3DEX2);
     general_setting(Set_wireframe, "wireframe", 0);
     general_setting(Set_wfmode, "wfmode", 1);
-    general_setting(Set_unk_as_red, "unk_as_red", 0);
+    general_setting(Set_unk_as_red, "unk_as_red", false);
     general_setting(Set_unk_clear, "unk_clear", 0);
     general_setting(Set_ghq_fltr, "ghq_fltr", TextureFilter_None);
     general_setting(Set_ghq_cmpr, "ghq_cmpr", TextureCompression_S3TC);
@@ -553,15 +553,14 @@ void CSettings::ReadSettings()
     this->wrpAnisotropic = GetSetting(Set_wrpAnisotropic);
 
     m_autodetect_ucode = GetSetting(Set_autodetect_ucode) != 0;
+    m_unk_as_red = GetSetting(Set_unk_as_red) != 0;
 #ifndef _ENDUSER_RELEASE_
     this->wireframe = GetSetting(Set_wireframe);
     this->wfmode = GetSetting(Set_wfmode);
-    this->unk_as_red = GetSetting(Set_unk_as_red);
     this->unk_clear = GetSetting(Set_unk_clear);
 #else
     this->wireframe = FALSE;
     this->wfmode = 0;
-    this->unk_as_red = FALSE;
     this->unk_clear = FALSE;
 #endif
     m_ucode = ucode_F3DEX2;
@@ -831,11 +830,11 @@ void CSettings::WriteSettings(void)
     SetSetting(Set_wrpAnisotropic, g_settings->wrpAnisotropic);
     SetSetting(Set_autodetect_ucode, m_autodetect_ucode);
 
+    SetSetting(Set_unk_as_red, m_unk_as_red);
 #ifndef _ENDUSER_RELEASE_
     SetSetting(Set_ucode, (int)g_settings->ucode);
     SetSetting(Set_wireframe, g_settings->wireframe);
     SetSetting(Set_wfmode, g_settings->wfmode);
-    SetSetting(Set_unk_as_red,g_settings->unk_as_red);
     SetSetting(Set_unk_clear, g_settings->unk_clear);
 #endif //_ENDUSER_RELEASE_
 
diff --git a/Source/Glide64/Settings.h b/Source/Glide64/Settings.h
index 2d132811a..b67e10d73 100644
--- a/Source/Glide64/Settings.h
+++ b/Source/Glide64/Settings.h
@@ -224,7 +224,7 @@ public:
     //Debug
     inline bool autodetect_ucode(void) const { return m_autodetect_ucode; }
     inline ucode_t ucode(void) const { return m_ucode; }
-    int unk_as_red;
+    inline bool unk_as_red(void) const { return m_unk_as_red; }
     int unk_clear;
     int wireframe;
     int wfmode;
@@ -347,6 +347,7 @@ private:
     bool m_ghq_hirs_let_texartists_fly;
     bool m_ghq_hirs_dump;
     bool m_autodetect_ucode;
+    bool m_unk_as_red;
     ucode_t m_ucode;
     StippleMode_t m_stipple_mode;
     hacks_t m_hacks;