diff --git a/train.py b/train.py
index b1f0489e..c8e9408b 100644
--- a/train.py
+++ b/train.py
@@ -363,14 +363,14 @@ if __name__ == '__main__':
             # Mutate hyperparameters
             old_hyp = hyp.copy()
             init_seeds(seed=int(time.time()))
-            s = [.4, .4, .4, .4, .4, .4, .4, .4, .4, .04, .4]  # fractional sigmas
+            s = [.4, .4, .4, .4, .4, .4, .4, .4*0, .4*0, .04*0, .4*0]  # fractional sigmas
             for i, k in enumerate(hyp.keys()):
                 x = (np.random.randn(1) * s[i] + 1) ** 1.1  # plt.hist(x.ravel(), 100)
                 hyp[k] = hyp[k] * float(x)  # vary by about 30% 1sigma
 
             # Clip to limits
             keys = ['lr0', 'iou_t', 'momentum', 'weight_decay']
-            limits = [(1e-4, 1e-2), (0, 0.00), (0.70, 0.99), (0, 0.01)]
+            limits = [(1e-4, 1e-2), (0, 0.70), (0.70, 0.98), (0, 0.01)]
             for k, v in zip(keys, limits):
                 hyp[k] = np.clip(hyp[k], v[0], v[1])