diff --git a/.changelog/728.bugfix.md b/.changelog/728.bugfix.md
new file mode 100644
index 000000000..94214812e
--- /dev/null
+++ b/.changelog/728.bugfix.md
@@ -0,0 +1 @@
+Add missing 0x prefix to eth hashes in runtime events
diff --git a/src/oasis-nexus/api.ts b/src/oasis-nexus/api.ts
index 102c42888..d43f444bb 100644
--- a/src/oasis-nexus/api.ts
+++ b/src/oasis-nexus/api.ts
@@ -532,6 +532,7 @@ export const useGetRuntimeEvents: typeof generated.useGetRuntimeEvents = (
           return {
             ...data,
             events: data.events.map(event => {
+              const adjustedHash = event.eth_tx_hash ? `0x${event.eth_tx_hash}` : undefined
               if (
                 event.type === 'accounts.transfer' ||
                 event.type === 'accounts.mint' ||
@@ -541,6 +542,7 @@ export const useGetRuntimeEvents: typeof generated.useGetRuntimeEvents = (
               ) {
                 return {
                   ...event,
+                  eth_tx_hash: adjustedHash,
                   body: {
                     ...event.body,
                     amount:
@@ -562,6 +564,7 @@ export const useGetRuntimeEvents: typeof generated.useGetRuntimeEvents = (
               }
               return {
                 ...event,
+                eth_tx_hash: adjustedHash,
                 layer: runtime,
                 network,
               }