diff --git a/h/symbol2str.h b/h/symbol2str.h
new file mode 100644
index 000000000..80459e293
--- /dev/null
+++ b/h/symbol2str.h
@@ -0,0 +1,15 @@
+/*
+ * The Amsterdam Compiler Kit
+ * See the copyright notice in the ACK home directory, in the file "Copyright".
+ */
+
+#ifndef H_SYMBOL2STR_H
+#define H_SYMBOL2STR_H
+
+/* A lot of component use a version of this function, there is currently no header file
+ * that contain it, and all use the same prototype as they are all generated from the same
+ * generator.
+ */
+char *symbol2str(int tok);
+
+#endif
\ No newline at end of file