diff --git a/src/libsystemd/sd-journal/journal-file.c b/src/libsystemd/sd-journal/journal-file.c
index 3e9da297ba..2a08f923d1 100644
--- a/src/libsystemd/sd-journal/journal-file.c
+++ b/src/libsystemd/sd-journal/journal-file.c
@@ -47,7 +47,7 @@
 #include "xattr-util.h"
 
 #define DEFAULT_DATA_HASH_TABLE_SIZE 2047U
-#define DEFAULT_FIELD_HASH_TABLE_SIZE 333U
+#define DEFAULT_FIELD_HASH_TABLE_SIZE 1023U
 
 #define DEFAULT_COMPRESS_THRESHOLD 512U
 #define MIN_COMPRESS_THRESHOLD 8U