diff --git a/src/bindings/fluid_ladspa.c b/src/bindings/fluid_ladspa.c
index 7d62f925..bca44039 100644
--- a/src/bindings/fluid_ladspa.c
+++ b/src/bindings/fluid_ladspa.c
@@ -930,51 +930,58 @@ int fluid_ladspa_check(fluid_ladspa_fx_t *fx, char *err, int err_size)
     LADSPA_API_RETURN(fx, FLUID_OK);
 }
 
+#ifdef WITH_FLOAT
 
 static FLUID_INLINE void buffer_to_node(fluid_real_t *buffer, fluid_ladspa_node_t *node)
 {
-#ifndef WITH_FLOAT
-    int i;
-#endif
-
     /* If the node is not used by any plugin, then we don't need to fill it */
-    if (node->num_outputs == 0)
+    if (node->num_outputs > 0)
     {
-        return;
+        FLUID_MEMCPY(node->buf, buffer, FLUID_BUFSIZE * sizeof(float));
+    }
+}
+
+static FLUID_INLINE void node_to_buffer(fluid_ladspa_node_t *node, fluid_real_t *buffer)
+{
+    /* If the node has no inputs, then we don't need to copy it to the node */
+    if (node->num_inputs > 0)
+    {
+        FLUID_MEMCPY(buffer, node->buf, FLUID_BUFSIZE * sizeof(float));
+    }
+}
+
+#else /* WITH_FLOAT */
+
+static FLUID_INLINE void buffer_to_node(fluid_real_t *buffer, fluid_ladspa_node_t *node)
+{
+    int i;
+
+    /* If the node is not used by any plugin, then we don't need to fill it */
+    if (node->num_outputs > 0)
+    {
+        for (i = 0; i < FLUID_BUFSIZE; i++)
+        {
+            node->buf[i] = (LADSPA_Data)buffer[i];
+        }
     }
-
-#ifdef WITH_FLOAT
-    FLUID_MEMCPY(node->buf, buffer, FLUID_BUFSIZE * sizeof(float));
-#else
-    for (i = 0; i < FLUID_BUFSIZE; i++)
-    {
-        node->buf[i] = (LADSPA_Data)buffer[i];
-    }
-#endif
 }
 
 static FLUID_INLINE void node_to_buffer(fluid_ladspa_node_t *node, fluid_real_t *buffer)
 {
-#ifndef WITH_FLOAT
     int i;
-#endif
 
     /* If the node has no inputs, then we don't need to copy it to the node */
-    if (node->num_inputs == 0)
+    if (node->num_inputs > 0)
     {
-        return;
+        for (i = 0; i < FLUID_BUFSIZE; i++)
+        {
+            buffer[i] = (fluid_real_t)node->buf[i];
+        }
     }
-
-#ifdef WITH_FLOAT
-    FLUID_MEMCPY(buffer, node->buf, FLUID_BUFSIZE * sizeof(float));
-#else
-    for (i = 0; i < FLUID_BUFSIZE; i++)
-    {
-        buffer[i] = (fluid_real_t)node->buf[i];
-    }
-#endif
 }
 
+#endif /* WITH_FLOAT */
+
 static void activate_plugin(fluid_ladspa_plugin_t *plugin)
 {
     if (!plugin->active)