diff --git a/Source/Glide64/Settings.cpp b/Source/Glide64/Settings.cpp
index 107b1d399..ea9021be3 100644
--- a/Source/Glide64/Settings.cpp
+++ b/Source/Glide64/Settings.cpp
@@ -69,7 +69,7 @@ CSettings::CSettings() :
     m_texture_correction(false), // enable perspective texture correction emulation. is on by default
     m_stipple_mode(STIPPLE_Disable), //used for dithered alpha emulation
     m_stipple_pattern(0), //used for dithered alpha emulation
-force_microcheck(0), //check microcode each frame, for mixed F3DEX-S2DEX games
+    m_force_microcheck(false), //check microcode each frame, for mixed F3DEX-S2DEX games
 force_quad3d(0), //force 0xb5 command to be quad, not line 3d
 clip_zmin(0), //enable near z clipping
 clip_zmax(0), //enable far plane clipping;
@@ -170,7 +170,7 @@ void CSettings::RegisterSettings(void)
     game_setting(Set_stipple_mode, "stipple_mode", STIPPLE_Rotate);
 
     game_setting(Set_stipple_pattern, "stipple_pattern", 0x3E0F83E0);
-    game_setting(Set_force_microcheck, "force_microcheck", 0);
+    game_setting(Set_force_microcheck, "force_microcheck", false);
     game_setting(Set_force_quad3d, "force_quad3d", 0);
     game_setting(Set_clip_zmin, "clip_zmin", 0);
     game_setting(Set_clip_zmax, "clip_zmax", 1);
@@ -723,7 +723,7 @@ void CSettings::ReadGameSettings(const char * name)
     m_stipple_mode = (StippleMode_t)GetSetting(Set_stipple_mode);
     int stipple_pattern = GetSetting(Set_stipple_pattern);
     m_stipple_pattern = stipple_pattern > 0 ? (uint32_t)stipple_pattern : 0x3E0F83E0;
-    g_settings->force_microcheck = GetSetting(Set_force_microcheck);
+    m_force_microcheck = GetSetting(Set_force_microcheck) != 0;
     g_settings->force_quad3d = GetSetting(Set_force_quad3d);
     g_settings->clip_zmin = GetSetting(Set_clip_zmin);
     g_settings->clip_zmax = GetSetting(Set_clip_zmax);
diff --git a/Source/Glide64/Settings.h b/Source/Glide64/Settings.h
index 1e504669f..6ac547107 100644
--- a/Source/Glide64/Settings.h
+++ b/Source/Glide64/Settings.h
@@ -243,7 +243,7 @@ public:
     inline bool texture_correction(void) const { return m_texture_correction; } // enable perspective texture correction emulation. is on by default
     inline StippleMode_t stipple_mode(void) const { return m_stipple_mode; } //used for dithered alpha emulation
     inline uint32_t stipple_pattern(void) const { return m_stipple_pattern; } //used for dithered alpha emulation
-    int force_microcheck; //check microcode each frame, for mixed F3DEX-S2DEX games
+    inline bool force_microcheck(void) const { return m_force_microcheck; } //check microcode each frame, for mixed F3DEX-S2DEX games
     int force_quad3d; //force 0xb5 command to be quad, not line 3d
     int clip_zmin; //enable near z clipping
     int clip_zmax; //enable far plane clipping;
@@ -362,6 +362,7 @@ private:
     bool m_texture_correction;
     StippleMode_t m_stipple_mode;
     uint32_t m_stipple_pattern;
+    bool m_force_microcheck;
     hacks_t m_hacks;
 };
 
diff --git a/Source/Glide64/rdp.cpp b/Source/Glide64/rdp.cpp
index 5ea461bfc..fb241369d 100644
--- a/Source/Glide64/rdp.cpp
+++ b/Source/Glide64/rdp.cpp
@@ -586,7 +586,7 @@ EXPORT void CALL ProcessDList(void)
         else
             memset(microcode, 0, 4096);
     }
-    else if ((g_old_ucode == CSettings::ucode_S2DEX && g_settings->ucode() == CSettings::ucode_F3DEX) || g_settings->force_microcheck)
+    else if ((g_old_ucode == CSettings::ucode_S2DEX && g_settings->ucode() == CSettings::ucode_F3DEX) || g_settings->force_microcheck())
     {
         uint32_t startUcode = *(uint32_t*)(gfx.DMEM + 0xFD0);
         memcpy(microcode, gfx.RDRAM + startUcode, 4096);