diff --git a/pyproject.toml b/pyproject.toml
index 4fe58e62ab..f815aafcef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -249,7 +249,8 @@ ignore = [
     "tmt/convert.py",
     "tmt/lint.py",
     "tmt/queue.py",
-    "tmt/utils.py"
+    "tmt/utils.py",
+    "tmt/hardware.py",  # pyright does not pick up pint's _typing.py or something :/
 ]
 
 pythonVersion = "3.9"
diff --git a/tmt/hardware.py b/tmt/hardware.py
index fa8bb0fa34..916fe73062 100644
--- a/tmt/hardware.py
+++ b/tmt/hardware.py
@@ -64,7 +64,9 @@
         from typing_extensions import TypeAlias
 
     #: A type of values describing sizes of things like storage or RAM.
-    Size: TypeAlias = 'Quantity[int]'
+    # Note: type-hinting is a bit wonky with pyright
+    # https://github.com/hgrecco/pint/issues/1166
+    Size: TypeAlias = Quantity
 
 #: Unit registry, used and shared by all code.
 UNITS = pint.UnitRegistry()