diff --git a/ext/objspace/objspace_dump.c b/ext/objspace/objspace_dump.c
index 2917d49331..7c7cae3488 100644
--- a/ext/objspace/objspace_dump.c
+++ b/ext/objspace/objspace_dump.c
@@ -14,6 +14,7 @@
 
 #include "gc.h"
 #include "internal.h"
+#include "internal/array.h"
 #include "internal/hash.h"
 #include "internal/string.h"
 #include "internal/sanitizers.h"
@@ -456,7 +457,7 @@ dump_object(VALUE obj, struct dump_config *dc)
       case T_ARRAY:
         dump_append(dc, ", \"length\":");
         dump_append_ld(dc, RARRAY_LEN(obj));
-        if (RARRAY_LEN(obj) > 0 && FL_TEST(obj, ELTS_SHARED))
+        if (RARRAY_LEN(obj) > 0 && FL_TEST(obj, RARRAY_SHARED_FLAG))
             dump_append(dc, ", \"shared\":true");
         if (FL_TEST(obj, RARRAY_EMBED_FLAG))
             dump_append(dc, ", \"embedded\":true");
diff --git a/internal/string.h b/internal/string.h
index 43b716f9b2..12edbff2b1 100644
--- a/internal/string.h
+++ b/internal/string.h
@@ -106,7 +106,7 @@ STR_EMBED_P(VALUE str)
 static inline bool
 STR_SHARED_P(VALUE str)
 {
-    return FL_ALL_RAW(str, STR_NOEMBED | ELTS_SHARED);
+    return FL_ALL_RAW(str, STR_NOEMBED | STR_SHARED);
 }
 
 static inline bool