diff --git a/Sources/OpenTelemetryApi/Trace/Span.swift b/Sources/OpenTelemetryApi/Trace/Span.swift
index 997c5ae5..e58cc8c8 100644
--- a/Sources/OpenTelemetryApi/Trace/Span.swift
+++ b/Sources/OpenTelemetryApi/Trace/Span.swift
@@ -113,7 +113,7 @@ public extension SpanBase {
         hasher.combine(context.spanId)
     }
 
-    static func == (lhs: SpanBase, rhs: SpanBase) -> Bool {
+    static func == (lhs: Self, rhs: Self) -> Bool {
         return lhs.context.spanId == rhs.context.spanId
     }
 }