diff --git a/concrete/numpy/np_dtypes_helpers.py b/concrete/numpy/np_dtypes_helpers.py
index 8f61998cc..e974bc8ab 100644
--- a/concrete/numpy/np_dtypes_helpers.py
+++ b/concrete/numpy/np_dtypes_helpers.py
@@ -27,6 +27,7 @@ NUMPY_TO_COMMON_DTYPE_MAPPING: Dict[numpy.dtype, BaseDataType] = {
     numpy.dtype(numpy.uint64): Integer(64, is_signed=False),
     numpy.dtype(numpy.float32): Float(32),
     numpy.dtype(numpy.float64): Float(64),
+    numpy.dtype(bool): Integer(32, is_signed=False),
 }
 
 SUPPORTED_NUMPY_DTYPES = tuple(NUMPY_TO_COMMON_DTYPE_MAPPING)
diff --git a/concrete/numpy/tracing.py b/concrete/numpy/tracing.py
index c62068f7f..f80e8de8d 100644
--- a/concrete/numpy/tracing.py
+++ b/concrete/numpy/tracing.py
@@ -230,9 +230,9 @@ class NPTracer(BaseTracer):
         # numpy.heaviside,
         # numpy.hypot,
         # numpy.invert,
-        # numpy.isfinite,
-        # numpy.isinf,
-        # numpy.isnan,
+        numpy.isfinite,
+        numpy.isinf,
+        numpy.isnan,
         # numpy.isnat,
         # numpy.lcm,
         # numpy.ldexp,