diff --git a/bundles/org.openhab.io.transport.modbus/src/main/java/org/openhab/io/transport/modbus/internal/ModbusManagerImpl.java b/bundles/org.openhab.io.transport.modbus/src/main/java/org/openhab/io/transport/modbus/internal/ModbusManagerImpl.java
index dbf50dcd6aecc..06136ab6e59e9 100644
--- a/bundles/org.openhab.io.transport.modbus/src/main/java/org/openhab/io/transport/modbus/internal/ModbusManagerImpl.java
+++ b/bundles/org.openhab.io.transport.modbus/src/main/java/org/openhab/io/transport/modbus/internal/ModbusManagerImpl.java
@@ -768,7 +768,7 @@ public void registerRegularPoll(@NonNull PollTask task, long pollPeriodMillis, l
                         started);
                 try {
                     executeOperation(task, false, pollOperation);
-                } catch (Exception e) {
+                } catch (RuntimeException e) {
                     // We want to catch all unexpected exceptions since all unhandled exceptions make
                     // ScheduledExecutorService halt the polling. It is better to print out the exception, and try again
                     // (on next poll cycle)