1 files changed, 3 insertions, 1 deletions
diff --git a/src/codegen/c.zig b/src/codegen/c.zig
index a7a2b2cf2a..9488fa420b 100644
--- a/src/codegen/c.zig
+++ b/src/codegen/c.zig
@@ -5131,7 +5131,9 @@ fn structFieldPtr(f: *Function, inst: Air.Inst.Index, struct_ptr_ty: Type, struc
         .begin, .end => {
             try writer.writeByte('(');
             try f.writeCValue(writer, struct_ptr, .Other);
-            try writer.print(")[{}]", .{@boolToInt(field_loc == .end)});
+            try writer.print(")[{}]", .{
+                @boolToInt(field_loc == .end and struct_ty.hasRuntimeBitsIgnoreComptime()),
+            });
         },
         .field => |field| if (extra_name != .none) {
             try f.writeCValueDerefMember(writer, struct_ptr, extra_name);