diff --git a/src/bpf_tracing.h b/src/bpf_tracing.h
index 20bc637..03e501a 100644
--- a/src/bpf_tracing.h
+++ b/src/bpf_tracing.h
@@ -210,10 +210,10 @@
 #define __PT_PARM4_REG a3
 #define __PT_PARM5_REG a4
 #define __PT_RET_REG ra
-#define __PT_FP_REG fp
+#define __PT_FP_REG s0
 #define __PT_RC_REG a5
 #define __PT_SP_REG sp
-#define __PT_IP_REG epc
+#define __PT_IP_REG pc
 
 #endif