diff --git a/src/vectorpostprocessors/Fragility.C b/src/vectorpostprocessors/Fragility.C
index f9537f8554..6488e82757 100644
--- a/src/vectorpostprocessors/Fragility.C
+++ b/src/vectorpostprocessors/Fragility.C
@@ -210,7 +210,7 @@ Fragility::execute()
 }
 
 std::vector<Real>
-Fragility::calcDemandsFromFile(unsigned int bin)
+Fragility::calcDemandsFromFile(unsigned int /*bin*/)
 {
 #ifdef LIBMESH_HAVE_EXTERNAL_BOOST
   std::vector<Real> demand_sample;