diff --git a/server/src/analyzer/typeEvaluator.ts b/server/src/analyzer/typeEvaluator.ts
index c7586809a..f10ccc7c0 100644
--- a/server/src/analyzer/typeEvaluator.ts
+++ b/server/src/analyzer/typeEvaluator.ts
@@ -1776,6 +1776,7 @@ export function createTypeEvaluator(importLookup: ImportLookup, printTypeFlags:
                                 (p) => p.hasDefault && p.includeInInit
                             );
                             if (
+                                includeInInit &&
                                 !hasDefaultValue &&
                                 firstDefaultValueIndex >= 0 &&
                                 firstDefaultValueIndex < insertIndex
diff --git a/server/src/tests/samples/dataclass10.py b/server/src/tests/samples/dataclass10.py
index 0c7262150..cfe2208c1 100644
--- a/server/src/tests/samples/dataclass10.py
+++ b/server/src/tests/samples/dataclass10.py
@@ -31,3 +31,15 @@ test = Child(prop_2="test", prop_4="hi")
 assert test.prop_1 == "test"
 assert test.prop_2 == "test"
 
+
+@dataclass
+class HandshakeMessage:
+    reset_reason_hex: str
+    reset_data_hex: str
+    device_id: str = field(default="")
+    reset_reason: str = field(init=False)
+    reset_data: str = field(init=False)
+
+    def __post_init__(self):
+        reset_reason = "calculated value"
+        reset_data = "calculated value"