1 files changed, 3 insertions, 1 deletions
diff --git a/Source/Diagnostics/ReducedDiags/BeamRelevant.cpp b/Source/Diagnostics/ReducedDiags/BeamRelevant.cpp
index 809f6e6bd..b194ca9ff 100644
--- a/Source/Diagnostics/ReducedDiags/BeamRelevant.cpp
+++ b/Source/Diagnostics/ReducedDiags/BeamRelevant.cpp
@@ -167,7 +167,9 @@ void BeamRelevant::ComputeDiags (int step)
 
         if (w_sum < std::numeric_limits<Real>::min() )
         {
-            for (int i = 0; i < m_data.size(); ++i) { m_data[i] = 0.0; }
+            for (int i = 0; i < static_cast<int>(m_data.size()); ++i){
+                m_data[i] = 0.0;
+            }
             return;
         }