diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
index 35c8e7a7..6887e4db 100644
--- a/RELEASE-NOTES.md
+++ b/RELEASE-NOTES.md
@@ -343,6 +343,8 @@ Using the models argument will also export all needed models by entity declarati
 
 * Initial support for the MIPS64 architecture (thanks to Ramil Sattarov)
 
+* Initial support for the LoongArch64 architecture (thanks to Ramil Sattarov)
+
 * Initial support for the PPC64 architecture (thanks to Trung Lê)
 
 * Initial support for the Raspberry Pi 4 (thanks to Alejandro Piñeiro)
diff --git a/neo/idlib/sys/sys_defines.h b/neo/idlib/sys/sys_defines.h
index 2e5a1b3a..ca9ee5b5 100644
--- a/neo/idlib/sys/sys_defines.h
+++ b/neo/idlib/sys/sys_defines.h
@@ -125,6 +125,8 @@ If you have questions concerning this license or the applicable additional terms
 			#define CPUSTRING						"riscv"
 		#elif defined(__sparc__) || defined(__sparc)
 			#define CPUSTRING						"sparc"
+		#elif defined(__loongarch64)
+			#define CPUSTRING						"loongarch64"
 		#else
 			#error unknown CPU
 		#endif