diff --git a/include/chibi/features.h b/include/chibi/features.h
index ccd3319a..644c416e 100644
--- a/include/chibi/features.h
+++ b/include/chibi/features.h
@@ -835,7 +835,7 @@
 #endif
 
 #ifndef SEXP_USE_IMAGE_LOADING
-#define SEXP_USE_IMAGE_LOADING SEXP_USE_DL && !SEXP_USE_GLOBAL_HEAP && !SEXP_USE_BOEHM && !SEXP_USE_NO_FEATURES
+#define SEXP_USE_IMAGE_LOADING SEXP_USE_DL && SEXP_64_BIT && !SEXP_USE_GLOBAL_HEAP && !SEXP_USE_BOEHM && !SEXP_USE_NO_FEATURES
 #endif
 
 #ifndef SEXP_USE_UNSAFE_PUSH
diff --git a/main.c b/main.c
index 154d5fd5..1374d45e 100644
--- a/main.c
+++ b/main.c
@@ -439,9 +439,9 @@ sexp run_main (int argc, char **argv) {
       }
 #endif
       break;
-#if SEXP_USE_IMAGE_LOADING
     case 'i':
       arg = ((argv[i][2] == '\0') ? argv[++i] : argv[i]+2);
+#if SEXP_USE_IMAGE_LOADING
       if (ctx) {
         fprintf(stderr, "-i <file>: image files must be loaded before other command-line options are specified: %s\n", arg);
         if (sexp_truep(sexp_global(ctx, SEXP_G_STRICT_P)))
@@ -457,6 +457,7 @@ sexp run_main (int argc, char **argv) {
         env = sexp_load_standard_params(ctx, sexp_context_env(ctx), nonblocking);
         init_loaded++;
       }
+#endif
       break;
     case 'd':
       if (! init_loaded++) {
@@ -464,14 +465,15 @@ sexp run_main (int argc, char **argv) {
         env = sexp_load_standard_env(ctx, env, SEXP_SEVEN);
       }
       arg = ((argv[i][2] == '\0') ? argv[++i] : argv[i]+2);
+#if SEXP_USE_IMAGE_LOADING
       if (sexp_save_image(ctx, arg) != SEXP_TRUE) {
         fprintf(stderr, "-d <file>: couldn't save image to file: %s\n", arg);
         fprintf(stderr, "           %s\n", sexp_load_image_err());
         exit_failure();
       }
+#endif
       quit = 1;
       break;
-#endif
     case 'V':
       load_init(1);
       if (! sexp_oportp(out))