diff --git a/plugins/ladspa_effect/calf/calf/waveshaping.h b/plugins/ladspa_effect/calf/calf/waveshaping.h
new file mode 100644
index 000000000..914637c0a
--- /dev/null
+++ b/plugins/ladspa_effect/calf/calf/waveshaping.h
@@ -0,0 +1,37 @@
+/* Calf DSP Library
+ * Placeholder for waveshaping classes
+ *
+ * Copyright (C) 2001-2009 Krzysztof Foltman
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 
+ * Boston, MA 02111-1307, USA.
+ */
+#ifndef __CALF_WAVESHAPING_H
+#define __CALF_WAVESHAPING_H
+
+/// This will be a waveshaper... when I'll code it (-:
+/// (or get Tom Szlagyi's permission to use his own)
+class waveshaper {
+public:
+    waveshaper();
+    void activate() {}
+    void deactivate() {}
+    void set_params(float blend, float drive) {}
+    void set_sample_rate(uint32_t sr) {}
+    float process(float in) { return in; }
+    float get_distortion_level() { return 1; }
+};
+
+#endif