diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
index 3522d1e82..8f7126ae3 100644
--- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
+++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
@@ -18,6 +18,7 @@
 #include "core/arm/skyeye_common/armstate.h"
 #include "core/arm/skyeye_common/armsupp.h"
 #include "core/arm/skyeye_common/vfp/vfp.h"
+#include "core/core_timing.h"
 #include "core/gdbstub/gdbstub.h"
 #include "core/hle/svc.h"
 #include "core/memory.h"
@@ -3859,6 +3860,10 @@ SUB_INST : {
 SWI_INST : {
     if (inst_base->cond == ConditionCode::AL || CondPassed(cpu, inst_base->cond)) {
         swi_inst* const inst_cream = (swi_inst*)inst_base->component;
+        CoreTiming::AddTicks(num_instrs);
+        cpu->NumInstrsToExecute =
+            num_instrs >= cpu->NumInstrsToExecute ? 0 : cpu->NumInstrsToExecute - num_instrs;
+        num_instrs = 0;
         SVC::CallSVC(inst_cream->num & 0xFFFF);
     }