diff --git a/maint.mk b/maint.mk
index 9b773570..8cda1ada 100644
--- a/maint.mk
+++ b/maint.mk
@@ -1032,6 +1032,11 @@ sc_const_long_option:
 	halt='add "const" to the above declarations'			\
 	  $(_sc_search_regexp)
 
+sc_prohibit_gs_strfreev:
+	@prohibit='\bgs_strfreev\b' \
+	halt="do not use gs_strfreev; use g_autoptr instead"		\
+	  $(_sc_search_regexp)
+
 sc_prohibit_gs_unref:
 	@prohibit='\bgs_unref_(keyfile|variant*|ptrarray|hashtable|bytes|object)\b' \
 	halt="do not use gs_unref_*; use g_autoptr instead"		\
diff --git a/src/libostree/ostree-core.c b/src/libostree/ostree-core.c
index f779f89e..88dcf645 100644
--- a/src/libostree/ostree-core.c
+++ b/src/libostree/ostree-core.c
@@ -1501,7 +1501,7 @@ _ostree_parse_delta_name (const char  *delta_name,
                           char        **out_from,
                           char        **out_to)
 {
-  gs_strfreev char **parts = g_strsplit (delta_name, "-", 2);
+  g_auto(GStrv) parts = g_strsplit (delta_name, "-", 2);
 
   *out_from = *out_to = NULL;
   if (parts[0] && parts[1])