diff --git a/intl/icu/source/i18n/double-conversion-utils.h b/intl/icu/source/i18n/double-conversion-utils.h
index 57fc49b231..3ebe62bb91 100644
--- a/intl/icu/source/i18n/double-conversion-utils.h
+++ b/intl/icu/source/i18n/double-conversion-utils.h
@@ -86,7 +86,7 @@ inline void abort_noreturn() { abort(); }
     defined(__SH4__) || defined(__alpha__) || \
     defined(_MIPS_ARCH_MIPS32R2) || \
     defined(__AARCH64EL__) || defined(__aarch64__) || \
-    defined(__riscv)
+    defined(__riscv) || defined(__loongarch__)
 #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
 #elif defined(__mc68000__)
 #undef DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS