1 files changed, 2 insertions, 2 deletions

diff --git a/src/Simulator/FireSimulator.cpp b/src/Simulator/FireSimulator.cpp
index 75ebefcf7..8456ed11d 100644
--- a/src/Simulator/FireSimulator.cpp
+++ b/src/Simulator/FireSimulator.cpp
@@ -88,11 +88,11 @@ cFireSimulator::~cFireSimulator()
 
 
 
-void cFireSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk)
+void cFireSimulator::SimulateChunk(std::chrono::milliseconds a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk)
 {
 	cCoordWithIntList & Data = a_Chunk->GetFireSimulatorData();
 
-	int NumMSecs = (int)a_Dt;
+	int NumMSecs = static_cast<int>(a_Dt.count());
 	for (cCoordWithIntList::iterator itr = Data.begin(); itr != Data.end();)
 	{
 		int x = itr->x;