diff --git a/libisofs/eltorito.c b/libisofs/eltorito.c
index 3fb0a49..18ba318 100644
--- a/libisofs/eltorito.c
+++ b/libisofs/eltorito.c
@@ -12,8 +12,8 @@
 #include "../config.h"
 #endif
 
+#include "libisofs.h"
 #include "eltorito.h"
-#include "stream.h"
 #include "fsource.h"
 #include "filesrc.h"
 #include "image.h"
diff --git a/libisofs/libisofs.h b/libisofs/libisofs.h
index 331d669..f66243b 100644
--- a/libisofs/libisofs.h
+++ b/libisofs/libisofs.h
@@ -4026,6 +4026,24 @@ int iso_tree_add_new_dir(IsoDir *parent, const char *name, IsoDir **dir);
 int iso_tree_add_new_file(IsoDir *parent, const char *name, IsoStream *stream,
                           IsoFile **file);
 
+/**
+ * Create an IsoStream object from content which is stored in a dynamically
+ * allocated memory buffer. The new stream will become owner of the buffer
+ * and apply free() to it when the stream finally gets destroyed itself.
+ *
+ * @param buf
+ *     The dynamically allocated memory buffer with the stream content.
+ * @parm size
+ *     The number of bytes which may be read from buf.
+ * @param stream
+ *     Will return a reference to the newly created stream.
+ * @return
+ *     ISO_SUCCESS or <0 for error. E.g. ISO_NULL_POINTER, ISO_OUT_OF_MEM.
+ *
+ * @since 0.6.42
+ */
+int iso_memory_stream_new(unsigned char *buf, size_t size, IsoStream **stream);
+
 /**
  * Add a new symlink to the directory tree. Permissions are set to 0777,
  * owner and hidden atts are taken from parent. You can modify any of them
diff --git a/libisofs/stream.h b/libisofs/stream.h
index 47f11c4..8bc43e0 100644
--- a/libisofs/stream.h
+++ b/libisofs/stream.h
@@ -55,15 +55,6 @@ int iso_file_source_stream_new(IsoFileSource *src, IsoStream **stream);
 int iso_cut_out_stream_new(IsoFileSource *src, off_t offset, off_t size,
                            IsoStream **stream);
 
-/**
- * Create a stream for reading from a arbitrary memory buffer.
- * When the Stream refcount reach 0, the buffer is free(3).
- *
- * @return
- *      1 sucess, < 0 error
- */
-int iso_memory_stream_new(unsigned char *buf, size_t size, IsoStream **stream);
-
 /**
  * Obtain eventual zisofs ZF field entry parameters from a file source out
  * of a loaded ISO image.