diff --git a/samples/benchmark/pom.xml b/samples/benchmark/pom.xml
index 9f0483769..5bc32b762 100644
--- a/samples/benchmark/pom.xml
+++ b/samples/benchmark/pom.xml
@@ -165,7 +165,8 @@
               <debugInformationGenerated>true</debugInformationGenerated>
               <targetType>WEBASSEMBLY</targetType>
               <optimizationLevel>FULL</optimizationLevel>
-              <heapSize>8</heapSize>
+              <minHeapSize>1</minHeapSize>
+              <maxHeapSize>16</maxHeapSize>
             </configuration>
           </execution>
           <execution>
@@ -179,7 +180,8 @@
               <debugInformationGenerated>true</debugInformationGenerated>
               <targetType>C</targetType>
               <optimizationLevel>FULL</optimizationLevel>
-              <heapSize>8</heapSize>
+              <minHeapSize>1</minHeapSize>
+              <maxHeapSize>16</maxHeapSize>
             </configuration>
           </execution>
         </executions>
diff --git a/samples/benchmark/src/main/webapp/teavm-wasm.js b/samples/benchmark/src/main/webapp/teavm-wasm.js
index 039fce4b7..45378e8d6 100644
--- a/samples/benchmark/src/main/webapp/teavm-wasm.js
+++ b/samples/benchmark/src/main/webapp/teavm-wasm.js
@@ -93,7 +93,7 @@ var Benchmark = function() {
     function tick() {
         var exports = this.instance.exports;
         exports.tick();
-        var exception = exports.sys_catchException();
+        var exception = exports.teavm_catchException();
         if (exception !== 0) {
             console.log("Exception: " + exception);
         }