diff --git a/src/system/libroot/os/find_directory.cpp b/src/system/libroot/os/find_directory.cpp
index 044f5a20703..4412f717648 100644
--- a/src/system/libroot/os/find_directory.cpp
+++ b/src/system/libroot/os/find_directory.cpp
@@ -264,7 +264,7 @@ find_directory(directory_which which, dev_t device, bool createIt,
 		return err;
 	}
 
-	switch (which) {
+	switch ((int)which) {
 		/* Per volume directories */
 		case B_DESKTOP_DIRECTORY:
 			if (device == bootDevice || !strcmp(fsInfo.fsh_name, "bfs"))