diff --git a/mission/acs/str/StarTrackerHandler.cpp b/mission/acs/str/StarTrackerHandler.cpp
index 2a07def5..a88014ab 100644
--- a/mission/acs/str/StarTrackerHandler.cpp
+++ b/mission/acs/str/StarTrackerHandler.cpp
@@ -2434,7 +2434,7 @@ ReturnValue_t StarTrackerHandler::checkProgram() {
     }
     default:
       sif::warning << "StarTrackerHandler::checkProgram: Version set has invalid program ID "
-                   << (int)versionSet.program.value << std::endl;
+                   << static_cast<int>(versionSet.program.value) << std::endl;
       return INVALID_PROGRAM;
   }
   return returnvalue::OK;