diff --git a/astgen.c b/astgen.c
index 90de8ab17f..41a4d8e607 100644
--- a/astgen.c
+++ b/astgen.c
@@ -3790,8 +3790,10 @@ static uint32_t structInitExpr(
                     uint32_t array_type_inst
                         = addPlNodeBin(gz, ZIR_INST_ARRAY_TYPE, type_expr_node,
                             ZIR_REF_ZERO_USIZE, elem_type);
-                    return addUnNode(
-                        gz, ZIR_INST_STRUCT_INIT_EMPTY, array_type_inst, node);
+                    return rvalue(gz, rl,
+                        addUnNode(gz, ZIR_INST_STRUCT_INIT_EMPTY,
+                            array_type_inst, node),
+                        node);
                 }
                 // ARRAY_TYPE_SENTINEL: extra[rhs] = sentinel, extra[rhs+1]
                 // = elem_type
@@ -3808,12 +3810,15 @@ static uint32_t structInitExpr(
                 uint32_t array_type_inst = addPlNodeTriple(gz,
                     ZIR_INST_ARRAY_TYPE_SENTINEL, type_expr_node,
                     ZIR_REF_ZERO_USIZE, elem_type, sentinel);
-                return addUnNode(
-                    gz, ZIR_INST_STRUCT_INIT_EMPTY, array_type_inst, node);
+                return rvalue(gz, rl,
+                    addUnNode(
+                        gz, ZIR_INST_STRUCT_INIT_EMPTY, array_type_inst, node),
+                    node);
             }
         }
         uint32_t ty_inst = typeExpr(gz, scope, type_expr_node);
-        return addUnNode(gz, ZIR_INST_STRUCT_INIT_EMPTY, ty_inst, node);
+        return rvalue(gz, rl,
+            addUnNode(gz, ZIR_INST_STRUCT_INIT_EMPTY, ty_inst, node), node);
     }
 
     // Typed struct init with fields (AstGen.zig:1808-1818).
diff --git a/astgen_test.zig b/astgen_test.zig
index abe2d05c96..8c40cc5f6f 100644
--- a/astgen_test.zig
+++ b/astgen_test.zig
@@ -798,8 +798,8 @@ test "astgen: corpus tokenizer_test.zig" {
 }
 
 test "astgen: corpus parser_test.zig" {
-    // TODO: 5 inst diff — 2 STORE_TO_INFERRED_PTR, 1 REF, 1 STORE_NODE,
-    // 1 COERCE_PTR_ELEM_TY.
+    // TODO: 1 inst diff — 1 STORE_NODE inside ptr-based struct init with
+    // block field init expression.
     if (true) return error.SkipZigTest;
     const gpa = std.testing.allocator;
     try corpusCheck(gpa, @embedFile("parser_test.zig"));