diff --git a/include/simdjson/portability.h b/include/simdjson/portability.h
index 4034e1565e..ace6ad6f5c 100644
--- a/include/simdjson/portability.h
+++ b/include/simdjson/portability.h
@@ -38,6 +38,8 @@
 #define SIMDJSON_IS_ARM64 1
 #elif defined(__riscv) && __riscv_xlen == 64
 #define SIMDJSON_IS_RISCV64 1
+#elif defined(__loongarch_lp64)
+#define SIMDJSON_IS_LOONGARCH64 1
 #elif defined(__PPC64__) || defined(_M_PPC64)
 #if defined(__ALTIVEC__)
 #define SIMDJSON_IS_PPC64_VMX 1
diff --git a/singleheader/simdjson.cpp b/singleheader/simdjson.cpp
index 5511f3d037..f62497afbe 100644
--- a/singleheader/simdjson.cpp
+++ b/singleheader/simdjson.cpp
@@ -111,6 +111,8 @@
 #define SIMDJSON_IS_ARM64 1
 #elif defined(__riscv) && __riscv_xlen == 64
 #define SIMDJSON_IS_RISCV64 1
+#elif defined(__loongarch_lp64)
+#define SIMDJSON_IS_LOONGARCH64 1
 #elif defined(__PPC64__) || defined(_M_PPC64)
 #if defined(__ALTIVEC__)
 #define SIMDJSON_IS_PPC64_VMX 1
diff --git a/singleheader/simdjson.h b/singleheader/simdjson.h
index 96a5fae0f2..3a49c9d95d 100644
--- a/singleheader/simdjson.h
+++ b/singleheader/simdjson.h
@@ -131,6 +131,8 @@
 #define SIMDJSON_IS_ARM64 1
 #elif defined(__riscv) && __riscv_xlen == 64
 #define SIMDJSON_IS_RISCV64 1
+#elif defined(__loongarch_lp64)
+#define SIMDJSON_IS_LOONGARCH64 1
 #elif defined(__PPC64__) || defined(_M_PPC64)
 #if defined(__ALTIVEC__)
 #define SIMDJSON_IS_PPC64_VMX 1