diff --git a/crates/glaredb_core/src/arrays/executor/scalar/ternary.rs b/crates/glaredb_core/src/arrays/executor/scalar/ternary.rs
index 90dfbd42f..34d121271 100644
--- a/crates/glaredb_core/src/arrays/executor/scalar/ternary.rs
+++ b/crates/glaredb_core/src/arrays/executor/scalar/ternary.rs
@@ -111,7 +111,7 @@ impl TernaryExecutor {
                     ExecutionFormat::Selection(a3) => a3,
                 };
 
-                Self::execute_selection_format::<S1, S2, S3, _, _>(
+                Self::execute_selection_format::<S1, S2, S3, O, _>(
                     &array1.validity,
                     a1,
                     sel1,