diff --git a/enumerate.c b/enumerate.cpp
similarity index 94%
rename from enumerate.c
rename to enumerate.cpp
index a66cfc8e..00c63a91 100644
--- a/enumerate.c
+++ b/enumerate.cpp
@@ -11,7 +11,7 @@ void enumerate(char *fname) {
 		exit(EXIT_FAILURE);
 	}
 
-	char *sql = "SELECT zoom_level, tile_column, tile_row from tiles;";
+	const char *sql = "SELECT zoom_level, tile_column, tile_row from tiles;";
 
 	sqlite3_stmt *stmt;
 	if (sqlite3_prepare_v2(db, sql, -1, &stmt, NULL) != SQLITE_OK) {