diff --git a/src/server/routes/indexer/computer.ts b/src/server/routes/indexer/computer.ts
index cd956231..4506bba4 100644
--- a/src/server/routes/indexer/computer.ts
+++ b/src/server/routes/indexer/computer.ts
@@ -340,6 +340,7 @@ export const computer: Router.Middleware = async (ctx) => {
         await WasmStateEvent.findOne({
           where: {
             blockTimeUnixMs: {
+              [Op.gt]: 0,
               [Op.lte]: time,
             },
           },
@@ -363,13 +364,14 @@ export const computer: Router.Middleware = async (ctx) => {
           await WasmStateEvent.findOne({
             where: {
               blockTimeUnixMs: {
+                [Op.gt]: 0,
                 [Op.lte]: times[0],
               },
             },
             order: [['blockTimeUnixMs', 'DESC']],
           })
         )?.block ??
-        // Use first block with a time set if no event exists before start time.
+        // Use first block if no event exists before start time.
         (
           await WasmStateEvent.findOne({
             where: {
@@ -386,6 +388,7 @@ export const computer: Router.Middleware = async (ctx) => {
             await WasmStateEvent.findOne({
               where: {
                 blockTimeUnixMs: {
+                  [Op.gt]: 0,
                   [Op.lte]: times[1],
                 },
               },