diff --git a/common/flatpak-dir.c b/common/flatpak-dir.c
index ec52291c..d4f5e5c5 100644
--- a/common/flatpak-dir.c
+++ b/common/flatpak-dir.c
@@ -595,7 +595,7 @@ get_summary_for_ref (FlatpakRemoteState *self,
       if (arch != NULL)
         summary = g_hash_table_lookup (self->subsummaries, arch);
 
-      if (summary == NULL)
+      if (summary == NULL && arch != NULL)
         {
           const char *non_compat_arch = flatpak_get_compat_arch_reverse (arch);