diff --git a/src/config.h b/src/config.h
index 49d5082c..66ff1ea6 100644
--- a/src/config.h
+++ b/src/config.h
@@ -9,4 +9,7 @@
 #define LIBPOSTAL_GEONAMES_DIR LIBPOSTAL_DATA_DIR PATH_SEPARATOR "geonames"
 #define LIBPOSTAL_GEODB_DIR LIBPOSTAL_DATA_DIR PATH_SEPARATOR "geodb"
 
+#define GEODB_BLOOM_FILTER_SIZE 100000000
+#define GEODB_BLOOM_FILTER_ERROR 0.01
+
 #endif
\ No newline at end of file