diff --git a/gillespy2/solvers/cython/cython_ssa_solver.pyx b/gillespy2/solvers/cython/cython_ssa_solver.pyx
index 87ee72eaf..f880c00bf 100644
--- a/gillespy2/solvers/cython/cython_ssa_solver.pyx
+++ b/gillespy2/solvers/cython/cython_ssa_solver.pyx
@@ -165,7 +165,7 @@ class CythonSSASolver(GillesPySolver):
             seed = -1
         cdef int seed_arg = seed
         #set timespan for simulation(s)
-        timeline = np.linspace(0,t, (t//increment+1))
+        timeline = np.linspace(0,t, int(round(t /increment+1)))
         #allocate memory for trajectories
         cdef np.ndarray[np.float64_t, ndim=3] trajectories = np.zeros((number_of_trajectories, timeline.size, number_species + 1))
         trajectories[:,:,0] = timeline