diff --git a/gst/debugutils/gstdebugspy.c b/gst/debugutils/gstdebugspy.c
index 3371c9fba6..0c9e3300f9 100644
--- a/gst/debugutils/gstdebugspy.c
+++ b/gst/debugutils/gstdebugspy.c
@@ -144,12 +144,12 @@ gst_debug_spy_class_init (GstDebugSpyClass * klass)
 
   g_object_class_install_property (gobject_class, PROP_SILENT,
       g_param_spec_boolean ("silent", "Silent", "Produce verbose output ?",
-          FALSE, G_PARAM_READWRITE));
+          FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (gobject_class, PROP_CHECKSUM_TYPE,
       g_param_spec_enum ("checksum-type", "Checksum TYpe",
           "Checksum algorithm to use", GST_DEBUG_SPY_CHECKSUM_TYPE,
-          G_CHECKSUM_SHA1, G_PARAM_READWRITE));
+          G_CHECKSUM_SHA1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
 }