diff --git a/src/base/system.c b/src/base/system.c
index 543b68020..37fddb190 100644
--- a/src/base/system.c
+++ b/src/base/system.c
@@ -3017,8 +3017,8 @@ const char *str_utf8_find_nocase(const char *haystack, const char *needle)
 
 int str_utf8_isspace(int code)
 {
-	return code <= 0x0020 || code == 0x0085 || code == 0x00A0 ||
-	       code == 0x034F || code == 0x1160 || code == 0x1680 || code == 0x180E ||
+	return code <= 0x0020 || code == 0x0085 || code == 0x00A0 || code == 0x034F ||
+	       code == 0x115F || code == 0x1160 || code == 0x1680 || code == 0x180E ||
 	       (code >= 0x2000 && code <= 0x200F) || (code >= 0x2028 && code <= 0x202F) ||
 	       (code >= 0x205F && code <= 0x2064) || (code >= 0x206A && code <= 0x206F) ||
 	       code == 0x2800 || code == 0x3000 || code == 0x3164 ||