diff --git a/opm/core/wells/WellsGroup.cpp b/opm/core/wells/WellsGroup.cpp
index afa17f12d..c340c1aec 100644
--- a/opm/core/wells/WellsGroup.cpp
+++ b/opm/core/wells/WellsGroup.cpp
@@ -863,7 +863,7 @@ namespace Opm
             return;
         }
         // We're a producer, so we need to negate the input
-        double ntarget = target;
+        double ntarget = -target;
         
         double distr[3] = { 0.0, 0.0, 0.0 };
         const int* phase_pos = phaseUsage().phase_pos;