diff --git a/src/main/java/com/nucleodb/library/database/tables/table/ModQueueHandler.java b/src/main/java/com/nucleodb/library/database/tables/table/ModQueueHandler.java
index 4ad9eda..23ab2e8 100644
--- a/src/main/java/com/nucleodb/library/database/tables/table/ModQueueHandler.java
+++ b/src/main/java/com/nucleodb/library/database/tables/table/ModQueueHandler.java
@@ -3,6 +3,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 
 import java.util.Queue;
+import java.util.concurrent.ExecutionException;
 import java.util.logging.Logger;
 
 class ModQueueHandler implements Runnable {
@@ -21,7 +22,11 @@ public void run() {
         while (true) {
             int left = 0;
             while (!modqueue.isEmpty() && (mqi = modqueue.poll()) != null) {
-                this.dataTable.modify(mqi.getMod(), mqi.getModification());
+                try {
+                    this.dataTable.modify(mqi.getMod(), mqi.getModification());
+                } catch (ExecutionException e) {
+                    throw new RuntimeException(e);
+                }
                 int leftTmp = dataTable.getLeftInModQueue().decrementAndGet();
                 if (left == leftTmp) {
                     overkillCheck = true;
diff --git a/src/test/java/com/nucleodb/library/mqs/QueueHandlerTest.java b/src/test/java/com/nucleodb/library/mqs/QueueHandlerTest.java
index 3a57ce1..316159b 100644
--- a/src/test/java/com/nucleodb/library/mqs/QueueHandlerTest.java
+++ b/src/test/java/com/nucleodb/library/mqs/QueueHandlerTest.java
@@ -15,6 +15,7 @@
 
 import java.io.IOException;
 import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.ExecutionException;
 import java.util.concurrent.atomic.AtomicInteger;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
@@ -32,7 +33,7 @@ public void setup() {
     }
 
     @Test
-    public void testRun_method() throws IOException {
+    public void testRun_method() throws IOException, ExecutionException {
       
         // Define mocks, for testing different branches of the run method
         // Mock for the database modification branch