diff --git a/src/simulation/elements/FRAY.cpp b/src/simulation/elements/FRAY.cpp
index 0a678143e..61cf72b9c 100644
--- a/src/simulation/elements/FRAY.cpp
+++ b/src/simulation/elements/FRAY.cpp
@@ -70,8 +70,8 @@ static int update(UPDATE_FUNC_ARGS)
 						if (!r)
 							r = sim->photons[y+nyi+nyy][x+nxi+nxx];
 						if (r && !(sim->elements[TYP(r)].Properties & TYPE_SOLID)){
-							parts[ID(r)].vx += nxi*((parts[i].temp-273.15)/10.0f);
-							parts[ID(r)].vy += nyi*((parts[i].temp-273.15)/10.0f);
+							parts[ID(r)].vx += nxi*((parts[i].temp-273.15f)/10.0f);
+							parts[ID(r)].vy += nyi*((parts[i].temp-273.15f)/10.0f);
 						}
 					}
 				}