diff --git a/driver/hls/accl_hls.h b/driver/hls/accl_hls.h
index ee5243e2..beb3e2ef 100644
--- a/driver/hls/accl_hls.h
+++ b/driver/hls/accl_hls.h
@@ -21,7 +21,7 @@
 #include "ap_axi_sdata.h"
 
 #ifdef ACCL_SYNTHESIS
-#include "ap_utils.h"
+#include "etc/autopilot_ssdm_op.h"
 #else
 #define ap_wait() 
 #endif