diff --git a/src/emu/cpu/i8051/i8051.c b/src/emu/cpu/i8051/i8051.c
index 3cfe4c7e27c..142ee0c2191 100644
--- a/src/emu/cpu/i8051/i8051.c
+++ b/src/emu/cpu/i8051/i8051.c
@@ -407,7 +407,7 @@ static READ32_HANDLER((*hold_eram_iaddr_callback));
 #define SERIALPORT_IRQ    ((R_SCON & 0x03) && GET_ES)
 
 #if (HAS_I8052 || HAS_I8752)
-#define NO_PENDING_IRQ  !(R_TCON & 0xaa) && !(SERIALPORT_IRQ) && !GET_ET2 //!GET_TF2 && !GET_EXF2
+#define NO_PENDING_IRQ  !(R_TCON & 0xaa) && !(SERIALPORT_IRQ) && !(GET_ET2 && (GET_TF2 || GET_EXF2))
 #else
 #define NO_PENDING_IRQ  !(R_TCON & 0xaa) && !(SERIALPORT_IRQ)
 #endif