diff --git a/gio/xdgmime/xdgmime.c b/gio/xdgmime/xdgmime.c
index c3c1162..d5161a0 100644
--- a/gio/xdgmime/xdgmime.c
+++ b/gio/xdgmime/xdgmime.c
@@ -244,7 +244,7 @@ xdg_init_dirs (void)
   xdg_data_dirs = getenv ("XDG_DATA_DIRS");
 
   if (xdg_data_dirs == NULL)
-    xdg_data_dirs = "/usr/local/share/:/usr/share/";
+    xdg_data_dirs = CONDA_PREFIX "/share/:/usr/share/";
 
   /* Work out how many dirs we’re dealing with. */
   if (xdg_data_home != NULL || home != NULL)
diff --git a/glib/gutils.c b/glib/gutils.c
index dce7cbe..5a4e42d 100644
--- a/glib/gutils.c
+++ b/glib/gutils.c
@@ -2695,7 +2695,7 @@ g_build_system_data_dirs (void)
    */
 #ifndef G_OS_WIN32
   if (!data_dirs || !data_dirs[0])
-    data_dirs = "/usr/local/share/:/usr/share/";
+    data_dirs = CONDA_PREFIX "/share/:/usr/share/";
 
   data_dir_vector = g_strsplit (data_dirs, G_SEARCHPATH_SEPARATOR_S, 0);
 #else