diff --git a/src/rugby-list-store.c b/src/rugby-list-store.c
index 62ab1e61ef0c4aa94e19e1b9b16a3431c2115261..88426425ed45e79a22f9e1c66c0ce3cb79f47a93 100644
--- a/src/rugby-list-store.c
+++ b/src/rugby-list-store.c
@@ -195,7 +195,7 @@ rugby_list_store_class_init (RugbyListStoreClass *klass)
 
     properties[PROP_SCORE] = g_param_spec_int ("score", "", "",
                                                0, 200, 0,
-                                               G_PARAM_READWRITE);
+                                               G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
 
     g_object_class_install_properties (object_class,
                                        N_PROPS,
diff --git a/src/rugby-possibility-widget.c b/src/rugby-possibility-widget.c
index 784d708f7dc71e1931f0e2886c9225bfde06ddae..ca6255ad753f23dc741227517ce6af54c7b9d597 100644
--- a/src/rugby-possibility-widget.c
+++ b/src/rugby-possibility-widget.c
@@ -177,7 +177,7 @@ rugby_possibility_widget_class_init (RugbyPossibilityWidgetClass *klass)
     properties[PROP_POSSIBILITY] =
         g_param_spec_object ("possibility", "", "",
                              RUGBY_TYPE_POSSIBILITY,
-                             G_PARAM_READWRITE);
+                             G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
 
     g_object_class_install_properties (object_class,
                                        N_PROPS,
diff --git a/src/rugby-possibility.c b/src/rugby-possibility.c
index 7bedabe8c3d790941685f40027a615c9774d7a18..335646102800627fcfd1cd28ff639c9e01102286 100644
--- a/src/rugby-possibility.c
+++ b/src/rugby-possibility.c
@@ -87,15 +87,15 @@ rugby_possibility_class_init (RugbyPossibilityClass *klass)
     properties[PROP_TRIES] =
         g_param_spec_int ("tries", "", "",
                           0, 200, 0,
-                          G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
+                          G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
     properties[PROP_UTRIES] =
         g_param_spec_int ("utries", "", "",
                           0, 200, 0,
-                          G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
+                          G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
     properties[PROP_KICKS] =
         g_param_spec_int ("kicks", "", "",
                           0, 200, 0,
-                          G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
+                          G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
 
     g_object_class_install_properties (object_class,
                                        N_PROPS,