diff --git a/src/mame/drivers/mz700.cpp b/src/mame/drivers/mz700.cpp
index 0564bef88f7..6b3493873f3 100644
--- a/src/mame/drivers/mz700.cpp
+++ b/src/mame/drivers/mz700.cpp
@@ -87,7 +87,6 @@
 #include "sound/sn76496.h"
 #include "sound/wave.h"
 
-#include "screen.h"
 #include "softlist.h"
 #include "speaker.h"
 
diff --git a/src/mame/includes/mz700.h b/src/mame/includes/mz700.h
index ac0e51a8353..fc876e64783 100644
--- a/src/mame/includes/mz700.h
+++ b/src/mame/includes/mz700.h
@@ -19,6 +19,7 @@
 #include "machine/timer.h"
 #include "machine/z80pio.h"
 #include "sound/spkrdev.h"
+#include "screen.h"
 
 class mz_state : public driver_device
 {
@@ -33,6 +34,7 @@ public:
 		, m_centronics(*this, "centronics")
 		, m_ram(*this, RAM_TAG)
 		, m_palette(*this, "palette")
+		, m_screen(*this, "screen")
 		, m_banke(*this, "banke")
 		, m_bankf(*this, "bankf")
 	{ }
@@ -129,6 +131,7 @@ private:
 	optional_device<centronics_device> m_centronics;
 	required_device<ram_device> m_ram;
 	required_device<palette_device> m_palette;
+	required_device<screen_device> m_screen;
 	optional_device<address_map_bank_device> m_banke;
 	optional_device<address_map_bank_device> m_bankf;
 };
diff --git a/src/mame/machine/mz700.cpp b/src/mame/machine/mz700.cpp
index b05bb44ce8e..1d0c2972c4c 100644
--- a/src/mame/machine/mz700.cpp
+++ b/src/mame/machine/mz700.cpp
@@ -124,7 +124,7 @@ READ8_MEMBER(mz_state::mz700_e008_r)
 
 	data |= m_other_timer;
 	data |= ioport("JOY")->read();
-	data |= machine().first_screen()->hblank() << 7;
+	data |= m_screen->hblank() << 7;
 
 	LOG(1, "mz700_e008_r", ("%02X\n", data), machine());
 
@@ -504,7 +504,7 @@ READ8_MEMBER(mz_state::pio_port_c_r)
 		data |= 0x20;       /* set the RDATA status */
 
 	data |= m_cursor_timer << 6;
-	data |= machine().first_screen()->vblank() << 7;
+	data |= m_screen->vblank() << 7;
 
 	LOG(2,"mz700_pio_port_c_r",("%02X\n", data),machine());
 
@@ -596,7 +596,7 @@ READ8_MEMBER(mz_state::mz800_z80pio_port_a_r)
 
 	result |= m_centronics_busy;
 	result |= m_centronics_perror << 1;
-	result |= machine().first_screen()->hblank() << 5;
+	result |= m_screen->hblank() << 5;
 
 	return result;
 }