diff --git a/osal/FreeRTOS/FixedTimeslotTask.cpp b/osal/FreeRTOS/FixedTimeslotTask.cpp
index c33c4ef0..7bfee7e6 100644
--- a/osal/FreeRTOS/FixedTimeslotTask.cpp
+++ b/osal/FreeRTOS/FixedTimeslotTask.cpp
@@ -58,6 +58,11 @@ ReturnValue_t FixedTimeslotTask::startTask() {
 ReturnValue_t FixedTimeslotTask::addSlot(object_id_t componentId,
 		uint32_t slotTimeMs, int8_t executionStep) {
 	if (objectManager->get<ExecutableObjectIF>(componentId) != NULL) {
+		if(slotTimeMs == 0) {
+			// TODO: FreeRTOS throws errors for zero values.
+			// maybe there is a better solution than this.
+			slotTimeMs = 1;
+		}
 		pst.addSlot(componentId, slotTimeMs, executionStep, this);
 		return HasReturnvaluesIF::RETURN_OK;
 	}