diff --git a/opentelemetry-api/src/opentelemetry/metrics/_internal/instrument.py b/opentelemetry-api/src/opentelemetry/metrics/_internal/instrument.py
index 5d422589fa..3d6ea8f136 100644
--- a/opentelemetry-api/src/opentelemetry/metrics/_internal/instrument.py
+++ b/opentelemetry-api/src/opentelemetry/metrics/_internal/instrument.py
@@ -386,7 +386,7 @@ def __init__(
         self._unit = unit
         self._description = description
         self._advisory = advisory
-        self._real_instrument: Optional[InstrumentT] = None
+        self._real_instrument: Optional[Histogram] = None
 
     def record(
         self,