diff --git a/src/Linux/hsflowconfig.c b/src/Linux/hsflowconfig.c
index 77d3e40..c7717eb 100644
--- a/src/Linux/hsflowconfig.c
+++ b/src/Linux/hsflowconfig.c
@@ -839,6 +839,8 @@ extern "C" {
 	      // samlping.bps_ratio=0 turns off the behavior, falling back on global default
 	      if(bpsRatio > 0) {
 		sampling_n = adaptor->ifSpeed / bpsRatio;
+		if(sampling_n == 0)
+		  sampling_n = 1;
 		method = HSP_BPS_RATIO;
 	      }
 	    }