diff --git a/nuance/utils.py b/nuance/utils.py
index 711f95a..2f773cb 100644
--- a/nuance/utils.py
+++ b/nuance/utils.py
@@ -13,11 +13,11 @@ def interp_split_times(time, p, dphi=0.01):
     # since for very small periods we might fold on few points only, it's better to impose
     # at least 200 phases, to compare period folds more fairly
     phase = np.arange(0, 1, np.min([1 / 200, dphi / p]))
-    n = np.arange(np.ceil(total / p))  # number of 'folds'
+    n = np.arange(np.ceil(total / p) + 1)  # number of 'folds'
     # this line is important so that different time-series have the same phase 0
     tmin -= tmin % p
     pt0s = np.array([tmin + phase * p + j * p for j in n])  # corresponding t0s
-    has_time = np.any([np.abs(time - _t0) % p < p / 2 for _t0 in pt0s.mean(1)], 1)
+    has_time = np.any([np.abs(time - _t0) < p / 2 for _t0 in pt0s.mean(1)], 1)
     pt0s = pt0s[has_time]
 
     return pt0s
diff --git a/pyproject.toml b/pyproject.toml
index 506fdeb..d261742 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "nuance"
-version = "0.5.1"
+version = "0.5.2"
 description = "Transit signals detection among correlated noises"
 authors = ["Lionel Garcia"]
 license = "MIT"