diff --git a/plugins/elements/gstfdsrc.c b/plugins/elements/gstfdsrc.c
index 3d38c6c59d..715f10715a 100644
--- a/plugins/elements/gstfdsrc.c
+++ b/plugins/elements/gstfdsrc.c
@@ -634,7 +634,7 @@ gst_fd_src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
   gchar *protocol, *q;
   GstFdSrc *src = GST_FD_SRC (handler);
   gint fd;
-  guint64 size = -1;
+  guint64 size = (guint64) - 1;
 
   GST_INFO_OBJECT (src, "checking uri %s", uri);
 
diff --git a/plugins/elements/gstinputselector.c b/plugins/elements/gstinputselector.c
index a98d301d56..4da47350fc 100644
--- a/plugins/elements/gstinputselector.c
+++ b/plugins/elements/gstinputselector.c
@@ -638,7 +638,7 @@ gst_input_selector_wait_running_time (GstInputSelector * sel,
   GstPad *active_sinkpad;
   GstSelectorPad *active_selpad;
   GstSegment *seg, *active_seg;
-  GstClockTime running_time, active_running_time = -1;
+  GstClockTime running_time, active_running_time = GST_CLOCK_TIME_NONE;
 
   seg = &pad->segment;