diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
index 36dde32ff9..8689c54499 100644
--- a/accel/tcg/cpu-exec.c
+++ b/accel/tcg/cpu-exec.c
@@ -482,7 +482,9 @@ static inline void cpu_handle_debug_exception(CPUState *cpu)
         }
     }
 
-    cc->debug_excp_handler(cpu);
+    if (cc->debug_excp_handler) {
+        cc->debug_excp_handler(cpu);
+    }
 }
 
 static inline bool cpu_handle_exception(CPUState *cpu, int *ret)