diff --git a/src/gb/gb.c b/src/gb/gb.c
index 4424d3b0d..c4a332741 100644
--- a/src/gb/gb.c
+++ b/src/gb/gb.c
@@ -528,11 +528,11 @@ void GBUpdateIRQs(struct GB* gb) {
 void GBProcessEvents(struct LR35902Core* cpu) {
 	struct GB* gb = (struct GB*) cpu->master;
 	do {
-		int32_t cycles = cpu->nextEvent;
+		int32_t cycles = cpu->cycles;
 		int32_t nextEvent;
 		int32_t testEvent;
 
-		cpu->cycles -= cycles;
+		cpu->cycles = 0;
 		cpu->nextEvent = INT_MAX;
 
 		if (gb->eiPending != INT_MAX) {
diff --git a/src/gba/gba.c b/src/gba/gba.c
index 556bf6655..4c875ace6 100644
--- a/src/gba/gba.c
+++ b/src/gba/gba.c
@@ -235,11 +235,11 @@ static void GBAProcessEvents(struct ARMCore* cpu) {
 	}
 
 	do {
-		int32_t cycles = cpu->nextEvent;
+		int32_t cycles = cpu->cycles;
 		int32_t nextEvent;
 		int32_t testEvent;
 
-		cpu->cycles -= cycles;
+		cpu->cycles = 0;
 		cpu->nextEvent = INT_MAX;
 
 #ifndef NDEBUG