diff --git a/src/fios.cpp b/src/fios.cpp
index 28d09a2a0d..cdab456355 100644
--- a/src/fios.cpp
+++ b/src/fios.cpp
@@ -84,7 +84,7 @@ StringID FiosGetDescText(const char **path, uint64 *total_free)
 /* Browse to a new path based on the passed FiosItem struct
  * @param *item FiosItem object telling us what to do
  * @return a string if we have given a file as a target, otherwise NULL */
-char *FiosBrowseTo(const FiosItem *item)
+const char *FiosBrowseTo(const FiosItem *item)
 {
 	char *path = _fios_path;
 
diff --git a/src/fios.h b/src/fios.h
index 13c8bb2951..f119dd75c7 100644
--- a/src/fios.h
+++ b/src/fios.h
@@ -98,7 +98,7 @@ void FiosGetHeightmapList(SaveLoadDialogMode mode);
 /* Free the list of savegames */
 void FiosFreeSavegameList();
 /* Browse to. Returns a filename w/path if we reached a file. */
-char *FiosBrowseTo(const FiosItem *item);
+const char *FiosBrowseTo(const FiosItem *item);
 /* Return path, free space and stringID */
 StringID FiosGetDescText(const char **path, uint64 *total_free);
 /* Delete a name */
diff --git a/src/misc_gui.cpp b/src/misc_gui.cpp
index 08952adea2..ce7215c6e6 100644
--- a/src/misc_gui.cpp
+++ b/src/misc_gui.cpp
@@ -1596,7 +1596,7 @@ public:
 
 				const FiosItem *file = _fios_items.Get(y);
 
-				char *name = FiosBrowseTo(file);
+				const char *name = FiosBrowseTo(file);
 				if (name != NULL) {
 					if (_saveload_mode == SLD_LOAD_GAME || _saveload_mode == SLD_LOAD_SCENARIO) {
 						_switch_mode = (_game_mode == GM_EDITOR) ? SM_LOAD_SCENARIO : SM_LOAD;
diff --git a/src/network/network_gui.cpp b/src/network/network_gui.cpp
index 814ace1175..4f7bd58327 100644
--- a/src/network/network_gui.cpp
+++ b/src/network/network_gui.cpp
@@ -1012,7 +1012,7 @@ struct NetworkStartServerWindow : public QueryStringBaseWindow {
 				if (this->map == NULL) { // start random new game
 					ShowGenerateLandscape();
 				} else { // load a scenario
-					char *name = FiosBrowseTo(this->map);
+					const char *name = FiosBrowseTo(this->map);
 					if (name != NULL) {
 						SetFiosType(this->map->type);
 						_file_to_saveload.filetype = FT_SCENARIO;