diff --git a/src/fsfw/tasks/FixedTimeslotTaskBase.cpp b/src/fsfw/tasks/FixedTimeslotTaskBase.cpp
index 3327deae..0e1e3c5d 100644
--- a/src/fsfw/tasks/FixedTimeslotTaskBase.cpp
+++ b/src/fsfw/tasks/FixedTimeslotTaskBase.cpp
@@ -15,10 +15,10 @@ ReturnValue_t FixedTimeslotTaskBase::addSlot(object_id_t execId, ExecutableObjec
                                              uint32_t slotTimeMs, int8_t executionStep) {
   if (execObj == nullptr) {
 #if FSFW_CPP_OSTREAM_ENABLED == 1
-    sif::error << "Component 0x" << std::hex << std::setw(8) << std::setfill('0') << execObj
+    sif::error << "Component 0x" << std::hex << std::setw(8) << std::setfill('0') << execId
                << std::setfill(' ') << " not found, not adding it to PST" << std::dec << std::endl;
 #else
-    sif::printError("Component 0x%08x not found, not adding it to PST\n");
+    sif::printError("Component 0x%08x not found, not adding it to PST\n", execId);
 #endif
     return returnvalue::FAILED;
   }