diff --git a/src/burn/drv/pst90s/d_20pacgal.cpp b/src/burn/drv/pst90s/d_20pacgal.cpp
index ac53b6443..bdef90233 100644
--- a/src/burn/drv/pst90s/d_20pacgal.cpp
+++ b/src/burn/drv/pst90s/d_20pacgal.cpp
@@ -639,7 +639,7 @@ static INT32 DrvScan(INT32 nAction, INT32 *pnMin)
 	}
 
 	if (nAction & ACB_DRIVER_DATA) {
-		Z180Scan();
+		Z180Scan(nAction);
 
 		NamcoSoundScan(nAction, pnMin);
 
diff --git a/src/burn/drv/pst90s/d_mosaic.cpp b/src/burn/drv/pst90s/d_mosaic.cpp
index cf33e4621..306a8557c 100644
--- a/src/burn/drv/pst90s/d_mosaic.cpp
+++ b/src/burn/drv/pst90s/d_mosaic.cpp
@@ -452,7 +452,7 @@ static INT32 DrvScan(INT32 nAction, INT32 *pnMin)
 		ba.szName = "All Ram";
 		BurnAcb(&ba);
 
-		Z180Scan();
+		Z180Scan(nAction);
 
 		BurnYM2203Scan(nAction, pnMin);
 
diff --git a/src/burn/drv/toaplan/d_ghox.cpp b/src/burn/drv/toaplan/d_ghox.cpp
index cf41f024e..8d0bd94bd 100644
--- a/src/burn/drv/toaplan/d_ghox.cpp
+++ b/src/burn/drv/toaplan/d_ghox.cpp
@@ -183,7 +183,7 @@ static INT32 DrvScan(INT32 nAction,INT32 *pnMin)
 
 		SekScan(nAction);				// scan 68000 states
 
-		Z180Scan();
+		Z180Scan(nAction);
 
 		ToaScanGP9001(nAction, pnMin);