diff --git a/bfd/elfnn-loongarch.c b/bfd/elfnn-loongarch.c
index b1720760475..3a55ac93e20 100644
--- a/bfd/elfnn-loongarch.c
+++ b/bfd/elfnn-loongarch.c
@@ -2861,7 +2861,28 @@ loongarch_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
 	      /* No alloc space of func allocate_dynrelocs.  */
 	      if (unresolved_reloc
 		  && !(h && (h->is_weakalias || !h->dyn_relocs)))
-		loongarch_elf_append_rela (output_bfd, sreloc, &outrel);
+		{
+		  if (is_pic && r_type != R_LARCH_NN)
+		    {
+		      /* Not to use ELFCLASSNN in string literal or it'll
+			 puzzle gettext.  */
+
+		      /* xgettext:c-format  */
+		      char *msg = bfd_asprintf (
+			_("reloc is unresolved and cannot be turned to "
+			  "a runtime reloc in ELFCLASS%d"),
+			NN);
+
+		      /* loongarch_reloc_is_fatal will output
+			 "R_LARCH_32" or "R_LARCH_64" for us.  */
+		      fatal = loongarch_reloc_is_fatal (
+			info, input_bfd, input_section, rel, howto,
+			bfd_reloc_notsupported, is_undefweak, name, msg);
+		    }
+		  else
+		    loongarch_elf_append_rela (output_bfd, sreloc,
+					       &outrel);
+		}
 	    }
 
 	  relocation += rel->r_addend;
diff --git a/ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp b/ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp
index 2d67c4f2668..4d9f4aebaff 100644
--- a/ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp
+++ b/ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp
@@ -132,6 +132,7 @@ if [istarget "loongarch64-*-*"] {
     run_dump_test "reloc_le_with_shared"
     run_dump_test "reloc_ler_with_shared"
     run_dump_test "reloc_abs_with_shared"
+    run_dump_test "r_larch_32_elf64"
   }
 
   if [check_pie_support] {
diff --git a/ld/testsuite/ld-loongarch-elf/r_larch_32_elf64.d b/ld/testsuite/ld-loongarch-elf/r_larch_32_elf64.d
new file mode 100644
index 00000000000..df61f3a36c5
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/r_larch_32_elf64.d
@@ -0,0 +1,4 @@
+#name: R_LARCH_32 in ELFCLASS64
+#source: r_larch_32_elf64.s
+#ld: -shared -melf64loongarch
+#error: R_LARCH_32 against `x':\nreloc is unresolved and cannot be turned to a runtime reloc in ELFCLASS64
diff --git a/ld/testsuite/ld-loongarch-elf/r_larch_32_elf64.s b/ld/testsuite/ld-loongarch-elf/r_larch_32_elf64.s
new file mode 100644
index 00000000000..6649f2bce01
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/r_larch_32_elf64.s
@@ -0,0 +1,3 @@
+.data
+x:
+	.4byte x