diff --git a/libc/include/setjmp.h b/libc/include/setjmp.h
index a3de9c7..141e925 100644
--- a/libc/include/setjmp.h
+++ b/libc/include/setjmp.h
@@ -53,7 +53,7 @@
 #elif defined(__i386__)
 #define _JBLEN 10
 #elif defined(__riscv)
-#define _JBLEN 29
+#define _JBLEN 32
 #elif defined(__x86_64__)
 #define _JBLEN 11
 #endif