diff --git a/gb.pdf/src/CPdfDocument.cpp b/gb.pdf/src/CPdfDocument.cpp
index 80d2d97c5..7e44ebe98 100644
--- a/gb.pdf/src/CPdfDocument.cpp
+++ b/gb.pdf/src/CPdfDocument.cpp
@@ -99,7 +99,7 @@ END_PROPERTY
 
 ****************************************************************************/
 
-static void return_unicode_string(Unicode *unicode, int len)
+static void return_unicode_string(const Unicode *unicode, int len)
 {
 	static UnicodeMap *uMap = NULL;
 	
@@ -128,7 +128,7 @@ static void aux_return_string_info(void *_object, const char *key)
 {
 	Object obj;
 	Object dst;
-	GooString *goo_value;
+	const GooString *goo_value;
 	Dict *info_dict;
 	char *tmpstr;
 
@@ -170,7 +170,7 @@ static void aux_return_date_info(void *_object, const char *key)
 	GB_DATE ret;
 	Object obj;
 	Object dst;
-	GooString *goo;
+	const GooString *goo;
 	Dict *info_dict;
 	char *datestr=NULL,*tofree=NULL;
 	int nnum;
@@ -221,7 +221,7 @@ static void aux_return_date_info(void *_object, const char *key)
 	#endif
 }
 
-static LinkDest *get_dest(LinkAction *act)
+static const LinkDest *get_dest(LinkAction *act)
 {
 	if (!act)
 		return 0;
@@ -237,9 +237,9 @@ static LinkDest *get_dest(LinkAction *act)
 static uint32_t aux_get_page_from_action(void *_object, LinkAction *act)
 {
 	Ref pref;       
-	LinkDest *dest = get_dest(act);
+	const LinkDest *dest = get_dest(act);
 	#if POPPLER_VERSION_0_6
-	GooString *name;
+	const GooString *name;
 	#else
 	UGooString *name;
 	#endif
@@ -272,7 +272,7 @@ static uint32_t aux_get_page_from_action(void *_object, LinkAction *act)
 
 static void aux_get_dimensions_from_action(LinkAction *act, CPDFRECT *rect)
 {
-	LinkDest *dest = get_dest(act);
+	const LinkDest *dest = get_dest(act);
 	if (!dest)
 		return;
 	
@@ -284,7 +284,7 @@ static void aux_get_dimensions_from_action(LinkAction *act, CPDFRECT *rect)
 
 static double aux_get_zoom_from_action(LinkAction *act)
 {
-	LinkDest *dest = get_dest(act);
+	const LinkDest *dest = get_dest(act);
 	if (dest)
 		return dest->getZoom();
 	else
@@ -295,7 +295,7 @@ static char* aux_get_target_from_action(LinkAction *act)
 {
 	char *vl=NULL;
 	char *uni=NULL;	
-	GooString *tmp=NULL;
+	const GooString *tmp=NULL;
 
 	switch (act->getKind())
 	{
@@ -480,7 +480,7 @@ int32_t open_document (void *_object, char *sfile, int32_t lfile)
 	#endif
 	
 	outline=THIS->doc->getOutline();
-	if (outline) THIS->index=outline->getItems();
+	if (outline) THIS->index=(GooList*)outline->getItems();
 	
 	//if (THIS->index)
 	//	if (!THIS->index->getLength()) THIS->index=NULL;
@@ -715,7 +715,7 @@ BEGIN_PROPERTY(PDFDOCUMENT_index)
 
 	if (!THIS->index) { GB.ReturnNull(); return; }
 	
-	THIS->action=((OutlineItem*)THIS->index->get(THIS->currindex))->getAction();
+	THIS->action=(LinkAction*)((OutlineItem*)THIS->index->get(THIS->currindex))->getAction();
 	RETURN_SELF();
 
 END_PROPERTY
@@ -764,7 +764,7 @@ BEGIN_METHOD_VOID(PDFINDEX_root)
 	Outline *outline;
 
 	outline=THIS->doc->getOutline();
-	if (outline) THIS->index=outline->getItems();
+	if (outline) THIS->index=(GooList*)outline->getItems();
 	THIS->currindex=0;
 	if (THIS->pindex) { GB.FreeArray(POINTER(&THIS->pindex)); THIS->pindex=NULL; }
 	if (THIS->oldindex) { GB.FreeArray(POINTER(&THIS->oldindex)); THIS->oldindex=NULL; }
@@ -812,7 +812,7 @@ BEGIN_METHOD_VOID(PDFINDEX_child)
 	if (!item->isOpen()) item->open(); 
 	THIS->pindex[GB.Count(POINTER(THIS->pindex))-1]=(void*)THIS->index;
 	THIS->oldindex[GB.Count(POINTER(THIS->pindex))-1]=THIS->currindex;
-	THIS->index=item->getKids();	
+	THIS->index=(GooList*)item->getKids();	
 	THIS->currindex=0;
 
 	GB.ReturnBoolean(false);