diff --git a/src/libsysprof-gtk/sysprof-counter-track.c b/src/libsysprof-gtk/sysprof-counter-track.c
index 2bb9d031..01436d5f 100644
--- a/src/libsysprof-gtk/sysprof-counter-track.c
+++ b/src/libsysprof-gtk/sysprof-counter-track.c
@@ -40,10 +40,10 @@ sysprof_counter_track_create_chart (SysprofTrack *track)
   SysprofCounterTrack *self = (SysprofCounterTrack *)track;
   SysprofSession *session = NULL;
   g_autoptr(SysprofSeries) xy_series = NULL;
-  g_autoptr(SysprofAxis) x_axis = NULL;
   g_autoptr(SysprofAxis) y_axis = NULL;
   SysprofChartLayer *layer;
   SysprofChart *chart;
+  SysprofAxis *x_axis;
 
   g_assert (SYSPROF_IS_COUNTER_TRACK (self));