diff --git a/mono/metadata/image.c b/mono/metadata/image.c
index 07d7d36208e3..8fb0650b7bd2 100644
--- a/mono/metadata/image.c
+++ b/mono/metadata/image.c
@@ -1935,6 +1935,7 @@ mono_image_close_except_pools_all (MonoImage**images, int image_count)
 static void
 remove_cached_module(gpointer key, gpointer value, gpointer user_data)
 {
+	g_free(key);
 	mono_dl_close((MonoDl*)value);
 }
 
diff --git a/mono/metadata/loader.c b/mono/metadata/loader.c
index c7eaba7bda3e..55959f4de1d2 100644
--- a/mono/metadata/loader.c
+++ b/mono/metadata/loader.c
@@ -1167,6 +1167,7 @@ mono_loader_register_embedded_module (const char *name, MonoDl *module)
 static void
 remove_embedded_module (gpointer key, gpointer value, gpointer user_data)
 {
+	g_free(key);
 	mono_dl_close((MonoDl*)value);
 }