diff --git a/opm/polymer/PolymerInflow.cpp b/opm/polymer/PolymerInflow.cpp
index 403b6f98b..d804a20aa 100644
--- a/opm/polymer/PolymerInflow.cpp
+++ b/opm/polymer/PolymerInflow.cpp
@@ -19,6 +19,7 @@
 
 #include <config.h>
 
+#include <opm/common/OpmLog/OpmLog.hpp>
 #include <opm/polymer/PolymerInflow.hpp>
 #include <opm/core/wells.h>
 #include <opm/parser/eclipse/Deck/Deck.hpp>
@@ -55,7 +56,7 @@ namespace Opm
         if (step_start + eps >= stime_ && step_end - eps <= etime_) {
             std::fill(poly_inflow_c.begin(), poly_inflow_c.end(), amount_);
         } else if (step_start + eps <= etime_ && step_end - eps >= stime_) {
-            OPM_MESSAGE("Warning: polymer injection set to change inside timestep. Using value at start of step.");
+            OpmLog::warning("polymer injection set to change inside timestep. Using value at start of step.");
             std::fill(poly_inflow_c.begin(), poly_inflow_c.end(), amount_);
         } else {
             std::fill(poly_inflow_c.begin(), poly_inflow_c.end(), 0.0);