diff --git a/infrahub_sdk/timestamp.py b/infrahub_sdk/timestamp.py
index 07de7b40..fd69122e 100644
--- a/infrahub_sdk/timestamp.py
+++ b/infrahub_sdk/timestamp.py
@@ -92,7 +92,11 @@ def _parse_string(cls, value: str) -> ZonedDateTime:
                     params["hours"] = float(match.group(1))
 
         if params:
-            return ZonedDateTime.now("UTC").subtract(**params)
+            return ZonedDateTime.now("UTC").subtract(
+                seconds=params.get("seconds", 0.0),
+                minutes=params.get("minutes", 0.0),
+                hours=params.get("hours", 0.0),
+            )
 
         raise TimestampFormatError(f"Invalid time format for {value}")
 
diff --git a/pyproject.toml b/pyproject.toml
index 2aa9b28e..9cf63fde 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -162,11 +162,6 @@ include = ["infrahub_sdk/node/node.py"]
 [tool.ty.overrides.rules]
 invalid-argument-type = "ignore" # 9 violations - lines 776, 855, 859, 862
 
-[[tool.ty.overrides]]
-include = ["infrahub_sdk/timestamp.py"]
-
-[tool.ty.overrides.rules]
-invalid-argument-type = "ignore" # 6 violations at line 95 (multiple parameters)
 
 [[tool.ty.overrides]]
 include = ["infrahub_sdk/ctl/config.py"]