diff --git a/Source/Glide64/Settings.cpp b/Source/Glide64/Settings.cpp
index 1350694da..952d84627 100644
--- a/Source/Glide64/Settings.cpp
+++ b/Source/Glide64/Settings.cpp
@@ -69,7 +69,7 @@ flame_corona(0), //hack for zeldas flame's corona
 increase_texrect_edge(0), // add 1 to lower right corner coordinates of texrect
 decrease_fillrect_edge(0), // sub 1 from lower right corner coordinates of fillrect
 texture_correction(0), // enable perspective texture correction emulation. is on by default
-stipple_mode(0), //used for dithered alpha emulation
+    m_stipple_mode(STIPPLE_Disable), //used for dithered alpha emulation
 stipple_pattern(0), //used for dithered alpha emulation
 force_microcheck(0), //check microcode each frame, for mixed F3DEX-S2DEX games
 force_quad3d(0), //force 0xb5 command to be quad, not line 3d
@@ -171,7 +171,7 @@ void CSettings::RegisterSettings(void)
     game_setting(Set_decrease_fillrect_edge, "decrease_fillrect_edge", 0);
     game_setting(Set_texture_correction, "texture_correction", 1);
     game_setting(Set_pal230, "pal230", 0);
-    game_setting(Set_stipple_mode, "stipple_mode", 2);
+    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);
@@ -494,7 +494,7 @@ void CSettings::ReadGameSettings(const char * name)
     g_settings->decrease_fillrect_edge = GetSetting(Set_decrease_fillrect_edge);
     g_settings->texture_correction = GetSetting(Set_texture_correction) == 0 ? 0 : 1;
     g_settings->pal230 = GetSetting(Set_pal230) == 1 ? 1 : 0;
-    g_settings->stipple_mode = GetSetting(Set_stipple_mode);
+    m_stipple_mode = (StippleMode_t)GetSetting(Set_stipple_mode);
     int stipple_pattern = GetSetting(Set_stipple_pattern);
     g_settings->stipple_pattern = stipple_pattern > 0 ? (uint32_t)stipple_pattern : 0x3E0F83E0;
     g_settings->force_microcheck = GetSetting(Set_force_microcheck);
diff --git a/Source/Glide64/Settings.h b/Source/Glide64/Settings.h
index d82c3426d..f388f0849 100644
--- a/Source/Glide64/Settings.h
+++ b/Source/Glide64/Settings.h
@@ -97,6 +97,13 @@ public:
         LOD_Precise = 2,
     };
 
+    enum StippleMode_t
+    {
+        STIPPLE_Disable = 0x0,
+        STIPPLE_Pattern = 0x1,
+        STIPPLE_Rotate = 0x2,
+    };
+
     uint32_t res_x, scr_res_x;
     uint32_t res_y, scr_res_y;
 #ifndef ANDROID
@@ -183,7 +190,7 @@ public:
     int 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
     int texture_correction; // enable perspective texture correction emulation. is on by default
-    int stipple_mode;  //used for dithered alpha emulation
+    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
     int force_microcheck; //check microcode each frame, for mixed F3DEX-S2DEX games
     int force_quad3d; //force 0xb5 command to be quad, not line 3d
@@ -229,6 +236,7 @@ private:
     Filtering_t m_filtering;
     SwapMode_t m_swapmode;
     PixelLevelOfDetail_t m_lodmode;
+    StippleMode_t m_stipple_mode;
     hacks_t m_hacks;
 };
 
diff --git a/Source/Glide64/Util.cpp b/Source/Glide64/Util.cpp
index 7d37d8691..a710b2e17 100644
--- a/Source/Glide64/Util.cpp
+++ b/Source/Glide64/Util.cpp
@@ -1880,7 +1880,7 @@ void update()
             {
                 if (g_settings->old_style_adither || rdp.alpha_dither_mode != 3) {
                     WriteTrace(TraceRDP, TraceDebug, " |- alpha compare: dither");
-                    grStippleModeExt(g_settings->stipple_mode);
+                    grStippleModeExt(g_settings->stipple_mode());
                 }
                 else
                     grStippleModeExt(GR_STIPPLE_DISABLE);