diff --git a/include/jemalloc/internal/quantum.h b/include/jemalloc/internal/quantum.h
index 760d6add..c22d753a 100644
--- a/include/jemalloc/internal/quantum.h
+++ b/include/jemalloc/internal/quantum.h
@@ -30,6 +30,9 @@
 #  ifdef __hppa__
 #    define LG_QUANTUM		4
 #  endif
+#  ifdef __loongarch__
+#    define LG_QUANTUM		4
+#  endif
 #  ifdef __m68k__
 #    define LG_QUANTUM		3
 #  endif