diff --git a/CHANGES.md b/CHANGES.md
index be9245497..a71661964 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,10 +1,11 @@
 # Release Notes
 
-## Next (TDB)
+## 0.3.6 (2021-08-23)
 
 ### titiler.core
 
 - fix morecantile related tests (https://github.com/developmentseed/titiler/issues/358)
+- fix float parsing when datatype is float32 (https://github.com/developmentseed/rio-viz/issues/39)
 
 ### titiler.application
 
diff --git a/src/titiler/core/tests/test_factories.py b/src/titiler/core/tests/test_factories.py
index 32418785f..eb55d5af5 100644
--- a/src/titiler/core/tests/test_factories.py
+++ b/src/titiler/core/tests/test_factories.py
@@ -68,6 +68,16 @@ def test_TilerFactory():
     assert "postprocess;dur" in timing
     assert "format;dur" in timing
 
+    response = client.get(
+        f"/tiles/8/87/48?url={DATA_DIR}/cog.tif&rescale=-3.4028235e+38,3.4028235e+38"
+    )
+    assert response.status_code == 200
+    assert response.headers["content-type"] == "image/jpeg"
+    timing = response.headers["server-timing"]
+    assert "dataread;dur" in timing
+    assert "postprocess;dur" in timing
+    assert "format;dur" in timing
+
     response = client.get(
         f"/tiles/8/87/48.tif?url={DATA_DIR}/cog.tif&expression=b1,b1,b1&return_mask=false"
     )
diff --git a/src/titiler/core/titiler/core/dependencies.py b/src/titiler/core/titiler/core/dependencies.py
index a612fe02d..47cd4e8cc 100644
--- a/src/titiler/core/titiler/core/dependencies.py
+++ b/src/titiler/core/titiler/core/dependencies.py
@@ -341,7 +341,7 @@ class RenderParams(DefaultDependency):
     def __post_init__(self):
         """Post Init."""
         self.rescale_range = (
-            [tuple(map(float, r.split(","))) for r in self.rescale]
+            [tuple(map(float, r.replace(" ", "").split(","))) for r in self.rescale]
             if self.rescale
             else None
         )