diff --git a/src/window/picplanner-window.c b/src/window/picplanner-window.c
index 98ce6d0..7b4015a 100644
--- a/src/window/picplanner-window.c
+++ b/src/window/picplanner-window.c
@@ -149,7 +149,7 @@ search_location (GtkWidget  *self,
       double *p_latitude = &latitude;
 
       g_autofree char *char_coordinates = NULL;
-      char *char_subtitle;
+      g_autofree char *char_subtitle = NULL;
 
       gtk_widget_set_visible (window->stack, FALSE);
       gtk_widget_set_visible (window->clamp_time_selector, FALSE);
@@ -314,8 +314,8 @@ calculate_positions (PicplannerWindow *window)
 
   g_autofree char      *phase_moon = NULL;
 
-  GDateTime *date_time_later;
   g_autoptr (GDateTime) date_time_noon = NULL;
+  g_autoptr (GDateTime) date_time_later = NULL;
 
 
   longitude = gtk_spin_button_get_value (GTK_SPIN_BUTTON (window->east_entry));