diff --git a/opm/core/wells/WellsGroup.cpp b/opm/core/wells/WellsGroup.cpp
index 8c5414313..8ffb30273 100644
--- a/opm/core/wells/WellsGroup.cpp
+++ b/opm/core/wells/WellsGroup.cpp
@@ -783,7 +783,7 @@ namespace Opm
              && (injSpec().control_mode_ != InjectionSpecification::GRUP && injSpec().control_mode_ != InjectionSpecification::NONE)) {
             return;
         }
-        if (!wells_->type[self_index_] == INJECTOR) {
+        if (wells_->type[self_index_] != INJECTOR) {
             ASSERT(target == 0.0);
             return;
         }
@@ -860,7 +860,7 @@ namespace Opm
             std::cout << "Returning" << std::endl;
             return;
         }
-        if (!wells_->type[self_index_] == PRODUCER) {
+        if (wells_->type[self_index_] != PRODUCER) {
             ASSERT(target == 0.0);
             return;
         }