diff --git a/cmd/zpool/zpool_main.c b/cmd/zpool/zpool_main.c
index 9dd1d2109004..c143d637059d 100644
--- a/cmd/zpool/zpool_main.c
+++ b/cmd/zpool/zpool_main.c
@@ -5950,6 +5950,7 @@ zpool_do_iostat(int argc, char **argv)
 				print_iostat_header(&cb);
 
 			if (skip) {
+				(void) fflush(stdout);
 				(void) fsleep(interval);
 				continue;
 			}
@@ -5980,18 +5981,13 @@ zpool_do_iostat(int argc, char **argv)
 
 		}
 
-		/*
-		 * Flush the output so that redirection to a file isn't buffered
-		 * indefinitely.
-		 */
-		(void) fflush(stdout);
-
 		if (interval == 0)
 			break;
 
 		if (count != 0 && --count == 0)
 			break;
 
+		(void) fflush(stdout);
 		(void) fsleep(interval);
 	}
 
@@ -6514,6 +6510,8 @@ zpool_do_list(int argc, char **argv)
 			break;
 
 		pool_list_free(list);
+
+		(void) fflush(stdout);
 		(void) fsleep(interval);
 	}
 
@@ -9094,6 +9092,7 @@ zpool_do_status(int argc, char **argv)
 		if (count != 0 && --count == 0)
 			break;
 
+		(void) fflush(stdout);
 		(void) fsleep(interval);
 	}