1 files changed, 3 insertions, 1 deletions

diff --git a/src/lj_debug.c b/src/lj_debug.c
index effb4841..e4ab9c12 100644
--- a/src/lj_debug.c
+++ b/src/lj_debug.c
@@ -14,6 +14,7 @@
 #include "lj_state.h"
 #include "lj_frame.h"
 #include "lj_bc.h"
+#include "lj_vm.h"
 #if LJ_HASJIT
 #include "lj_jit.h"
 #endif
@@ -86,7 +87,8 @@ static BCPos debug_framepc(lua_State *L, GCfunc *fn, cTValue *nextframe)
         if (frame_islua(f)) {
           f = frame_prevl(f);
         } else {
-          if (frame_isc(f))
+          if (frame_isc(f) || (LJ_HASFFI && frame_iscont(f) &&
+                               (f-1)->u32.lo == LJ_CONT_FFI_CALLBACK))
             cf = cframe_raw(cframe_prev(cf));
           f = frame_prevd(f);
         }