diff --git a/src/Sema.zig b/src/Sema.zig
index abd010a94b8d5b0e23beac323991de23e0689294..8cbb17cd8be265bb1ec974295f305ceb80964c0e 100644
--- a/src/Sema.zig
+++ b/src/Sema.zig
@@ -28582,6 +28582,10 @@ fn elemValSlice(
         }
     }
 
+    if (try sema.typeHasOnePossibleValue(elem_ty)) |elem_only_value| {
+        return Air.internedToRef(elem_only_value.toIntern());
+    }
+
     try sema.validateRuntimeElemAccess(block, elem_index_src, elem_ty, slice_ty, slice_src);
     try sema.validateRuntimeValue(block, slice_src, slice);