diff --git a/src/mame/drivers/system16.c b/src/mame/drivers/system16.c
index 9dbb141f8e2..ce96b6dc678 100644
--- a/src/mame/drivers/system16.c
+++ b/src/mame/drivers/system16.c
@@ -96,7 +96,7 @@
 #include "sound/rf5c68.h"
 #include "video/segaic16.h"
 
-#define SHADOW_COLORS_MULTIPLIER 2
+#define SHADOW_COLORS_MULTIPLIER 3
 
 
 INTERRUPT_GEN_MEMBER(segas1x_bootleg_state::sys16_interrupt)
diff --git a/src/mame/video/system16.c b/src/mame/video/system16.c
index 413ca857417..e6354fbb6f7 100644
--- a/src/mame/video/system16.c
+++ b/src/mame/video/system16.c
@@ -659,7 +659,7 @@ UINT32 segas1x_bootleg_state::screen_update_s16a_bootleg(screen_device &screen,
 					{
 						// if the color is set to maximum, shadow pixels underneath us
 						if ((pix & 0x03f0) == 0x03f0)
-							dest[x] += (m_paletteram[dest[x]] & 0x8000) ? m_palette->entries()*2 : m_palette->entries();
+							dest[x] += (m_paletteram[dest[x]] & 0x8000) ? m_palette_entries*2 : m_palette_entries;
 
 						// otherwise, just add in sprite palette base
 						else
@@ -729,7 +729,7 @@ UINT32 segas1x_bootleg_state::screen_update_s16a_bootleg_passht4b(screen_device
 					{
 						// if the color is set to maximum, shadow pixels underneath us
 						if ((pix & 0x03f0) == 0x03f0)
-							dest[x] += (m_paletteram[dest[x]] & 0x8000) ? m_palette->entries()*2 : m_palette->entries();
+							dest[x] += (m_paletteram[dest[x]] & 0x8000) ? m_palette_entries*2 : m_palette_entries;
 
 						// otherwise, just add in sprite palette base
 						else
@@ -808,7 +808,7 @@ UINT32 segas1x_bootleg_state::screen_update_system16(screen_device &screen, bitm
 					{
 						// if the color is set to maximum, shadow pixels underneath us
 						if ((pix & 0x03f0) == 0x03f0)
-							dest[x] += (m_paletteram[dest[x]] & 0x8000) ? m_palette->entries()*2 : m_palette->entries();
+							dest[x] += (m_paletteram[dest[x]] & 0x8000) ? m_palette_entries*2 : m_palette_entries;
 
 						// otherwise, just add in sprite palette base
 						else
@@ -871,7 +871,7 @@ UINT32 segas1x_bootleg_state::screen_update_system18old(screen_device &screen, b
 					{
 						// if the color is set to maximum, shadow pixels underneath us
 						if ((pix & 0x03f0) == 0x03f0)
-							dest[x] += (m_paletteram[dest[x]] & 0x8000) ? m_palette->entries()*2 : m_palette->entries();
+							dest[x] += (m_paletteram[dest[x]] & 0x8000) ? m_palette_entries*2 : m_palette_entries;
 
 						// otherwise, just add in sprite palette base
 						else