diff --git a/src/pool.c b/src/pool.c
index 35ce2e6..e2fa97e 100644
--- a/src/pool.c
+++ b/src/pool.c
@@ -127,9 +127,9 @@ typedef struct config_t
     uint32_t wallet_rpc_port;
     char pool_wallet[ADDRESS_MAX];
     uint64_t pool_start_diff;
-    float share_mul;
-    float pool_fee;
-    float payment_threshold;
+    double share_mul;
+    double pool_fee;
+    double payment_threshold;
     uint32_t pool_port;
     uint32_t log_level;
     uint32_t webui_port;
@@ -2358,7 +2358,7 @@ read_config(const char *config_file, const char *log_file, bool block_notified)
     log_info("\nCONFIG:\n  rpc_host = %s\n  rpc_port = %u\n  "
             "rpc_timeout = %u\n  pool_wallet = %s\n  "
             "pool_start_diff = %"PRIu64"\n  share_mul = %.2f\n  "
-            "pool_fee = %.2f\n  payment_threshold = %.2f\n  "
+            "pool_fee = %.3f\n  payment_threshold = %.2f\n  "
             "wallet_rpc_host = %s\n  wallet_rpc_port = %u\n  pool_port = %u\n  "
             "log_level = %u\n  webui_port=%u\n  "
             "log-file = %s\n  block-notified = %u\n",
diff --git a/src/webui-embed.html b/src/webui-embed.html
index 8e0d6cf..b49c456 100644
--- a/src/webui-embed.html
+++ b/src/webui-embed.html
@@ -111,6 +111,8 @@
                         el.innerHTML = format_last_time(stats[e]);
                     else if (/hashrate/.test(e))
                         el.innerHTML = format_hashrate(stats[e]);
+                    else if (e == "pool_fee")
+                        el.innerHTML = (stats[e]*100) + "%";
                     else
                         el.innerHTML = stats[e];
                 }
diff --git a/src/webui.c b/src/webui.c
index 9e7fe48..64fc8f5 100644
--- a/src/webui.c
+++ b/src/webui.c
@@ -94,7 +94,7 @@ send_json_stats (void *cls, struct MHD_Connection *connection)
             "\"last_block_found\":%"PRIu64","
             "\"pool_blocks_found\":%d,"
             "\"payment_threshold\":%.2f,"
-            "\"pool_fee\":%.2f,"
+            "\"pool_fee\":%.3f,"
             "\"pool_port\":%d,"
             "\"connected_miners\":%d,"
             "\"miner_hashrate\":%"PRIu64","
diff --git a/src/webui.h b/src/webui.h
index 47af75c..c1eb5c1 100644
--- a/src/webui.h
+++ b/src/webui.h
@@ -51,8 +51,8 @@ typedef struct wui_context_t
 {
     uint32_t port;
     pool_stats_t *pool_stats;
-    float pool_fee;
-    float payment_threshold;
+    double pool_fee;
+    double payment_threshold;
     uint32_t pool_port;
 } wui_context_t;