diff --git a/core/src/main/java/bisq/core/provider/price/PriceProvider.java b/core/src/main/java/bisq/core/provider/price/PriceProvider.java
index 199849f5..552b5daa 100644
--- a/core/src/main/java/bisq/core/provider/price/PriceProvider.java
+++ b/core/src/main/java/bisq/core/provider/price/PriceProvider.java
@@ -49,7 +49,7 @@ public class PriceProvider extends HttpClientProvider {
         super(httpClient, baseUrl, false);
     }
 
-    public Tuple2<Map<String, Long>, Map<String, MarketPrice>> getAll() throws IOException {
+    public synchronized Tuple2<Map<String, Long>, Map<String, MarketPrice>> getAll() throws IOException {
         if (shutDownRequested) {
             return new Tuple2<>(new HashMap<>(), new HashMap<>());
         }