diff --git a/ultragrid/src/uv_perf.c b/ultragrid/src/uv_perf.c
index 462214fd2..5d9110f21 100644
--- a/ultragrid/src/uv_perf.c
+++ b/ultragrid/src/uv_perf.c
@@ -91,7 +91,7 @@ int main(int argc, char *argv[])
                 }
                 tv_cur.tv_sec = tmp->tv_sec;
                 tv_cur.tv_usec = tmp->tv_usec;
-                if(tv_gt(tv_old, tv_cur) && tv_diff_usec(tv_old, tv_cur) < 100000)  /* 0.1 sec out of order is OK */
+                if(tv_gt(tv_old, tv_cur) && tv_diff_usec(tv_old, tv_cur) > 1000)  /* 0.001 sec out of order is OK */
                                 //tmp->tv_usec < tv_old.tv_usec) 
                                 {
                         usleep(100000);
diff --git a/ultragrid/src/video_display/dvs.c b/ultragrid/src/video_display/dvs.c
index 231d63820..7abb1487d 100644
--- a/ultragrid/src/video_display/dvs.c
+++ b/ultragrid/src/video_display/dvs.c
@@ -122,7 +122,7 @@ void * openDVSLibrary()
                 } else {
                         path = strdup("../lib/");
                 }
-                if (stat("./" kLibName, &buf) == 0)
+                if (stat(path, &buf) == 0)
                         handle = dlopen(path, RTLD_NOW|RTLD_GLOBAL);
                 else
                         handle = dlopen(kLibName, RTLD_NOW|RTLD_GLOBAL);