diff --git a/Source/Glide64/Settings.cpp b/Source/Glide64/Settings.cpp
index 5bc0c9623..81491fa5b 100644
--- a/Source/Glide64/Settings.cpp
+++ b/Source/Glide64/Settings.cpp
@@ -65,7 +65,7 @@ CSettings::CSettings() :
     m_use_sts1_only(false),
     m_flame_corona(false), //hack for zeldas flame's corona
     m_increase_texrect_edge(false), // add 1 to lower right corner coordinates of texrect
-decrease_fillrect_edge(0), // sub 1 from lower right corner coordinates of fillrect
+    m_decrease_fillrect_edge(false), // sub 1 from lower right corner coordinates of fillrect
 texture_correction(0), // enable perspective texture correction emulation. is on by default
     m_stipple_mode(STIPPLE_Disable), //used for dithered alpha emulation
 stipple_pattern(0), //used for dithered alpha emulation
@@ -164,7 +164,7 @@ void CSettings::RegisterSettings(void)
     game_setting(Set_force_calc_sphere, "force_calc_sphere", 0);
     game_setting(Set_correct_viewport, "correct_viewport", 0);
     game_setting(Set_increase_texrect_edge, "increase_texrect_edge", false);
-    game_setting(Set_decrease_fillrect_edge, "decrease_fillrect_edge", 0);
+    game_setting(Set_decrease_fillrect_edge, "decrease_fillrect_edge", false);
     game_setting(Set_texture_correction, "texture_correction", 1);
     game_setting(Set_pal230, "pal230", 0);
     game_setting(Set_stipple_mode, "stipple_mode", STIPPLE_Rotate);
@@ -717,7 +717,7 @@ void CSettings::ReadGameSettings(const char * name)
     g_settings->force_calc_sphere = GetSetting(Set_force_calc_sphere);
     g_settings->correct_viewport = GetSetting(Set_correct_viewport);
     m_increase_texrect_edge = GetSetting(Set_increase_texrect_edge) != 0;
-    g_settings->decrease_fillrect_edge = GetSetting(Set_decrease_fillrect_edge);
+    m_decrease_fillrect_edge = GetSetting(Set_decrease_fillrect_edge) != 0;
     g_settings->texture_correction = GetSetting(Set_texture_correction) == 0 ? 0 : 1;
     g_settings->pal230 = GetSetting(Set_pal230) == 1 ? 1 : 0;
     m_stipple_mode = (StippleMode_t)GetSetting(Set_stipple_mode);
diff --git a/Source/Glide64/Settings.h b/Source/Glide64/Settings.h
index 944c4b7a9..43fb521c6 100644
--- a/Source/Glide64/Settings.h
+++ b/Source/Glide64/Settings.h
@@ -239,7 +239,7 @@ public:
     inline bool use_sts1_only(void) const { return m_use_sts1_only; }
     inline bool flame_corona(void) const { return m_flame_corona; } //hack for zeldas flame's corona
     inline bool increase_texrect_edge(void) const { return m_increase_texrect_edge; }  // add 1 to lower right corner coordinates of texrect
-    int decrease_fillrect_edge; // sub 1 from lower right corner coordinates of fillrect
+    inline bool decrease_fillrect_edge(void) const { return m_decrease_fillrect_edge; }; // sub 1 from lower right corner coordinates of fillrect
     int 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
     uint32_t stipple_pattern; //used for dithered alpha emulation
@@ -358,6 +358,7 @@ private:
     bool m_use_sts1_only;
     bool m_flame_corona;
     bool m_increase_texrect_edge;
+    bool m_decrease_fillrect_edge;
     StippleMode_t m_stipple_mode;
     hacks_t m_hacks;
 };
diff --git a/Source/Glide64/rdp.cpp b/Source/Glide64/rdp.cpp
index 86bc3c122..13c12fb4b 100644
--- a/Source/Glide64/rdp.cpp
+++ b/Source/Glide64/rdp.cpp
@@ -2284,7 +2284,7 @@ static void rdp_fillrect()
     // Update scissor
     update_scissor();
 
-    if (g_settings->decrease_fillrect_edge && rdp.cycle_mode == 0)
+    if (g_settings->decrease_fillrect_edge() && rdp.cycle_mode == 0)
     {
         lr_x--; lr_y--;
     }