diff --git a/src/bindings/fluid_ladspa.c b/src/bindings/fluid_ladspa.c
index 86ac7cdb..dd81eba2 100644
--- a/src/bindings/fluid_ladspa.c
+++ b/src/bindings/fluid_ladspa.c
@@ -106,6 +106,7 @@ fluid_ladspa_fx_t *new_fluid_ladspa_fx(fluid_synth_t *synth)
     fx->state_cond = new_fluid_cond();
     if (fx->state_cond == NULL)
     {
+        delete_fluid_cond_mutex(fx->state_mutex);
         FLUID_FREE(fx);
         return NULL;
     }