diff --git a/src/lib/Hydra/Plugin/RunCommand.pm b/src/lib/Hydra/Plugin/RunCommand.pm
index 2b3bb6f4..43163764 100644
--- a/src/lib/Hydra/Plugin/RunCommand.pm
+++ b/src/lib/Hydra/Plugin/RunCommand.pm
@@ -72,6 +72,7 @@ sub isBuildEligibleForDynamicRunCommand {
         }
 
         if (! $build->jobset->supportsDynamicRunCommand()) {
+            warn "DynamicRunCommand hook on " . $build->job . " (" . $build->id . ") rejected: The project or jobset don't have dynamic runcommand enabled.";
             return 0;
         }
 
diff --git a/t/Hydra/Plugin/RunCommand/fanout.t b/t/Hydra/Plugin/RunCommand/fanout.t
index 808f661c..328824f9 100644
--- a/t/Hydra/Plugin/RunCommand/fanout.t
+++ b/t/Hydra/Plugin/RunCommand/fanout.t
@@ -191,33 +191,40 @@ subtest "isBuildEligibleForDynamicRunCommand" => sub {
             $build->project->update({enable_dynamic_run_command => 0});
             $build->jobset->update({enable_dynamic_run_command => 1});
 
-            is(
-                Hydra::Plugin::RunCommand::isBuildEligibleForDynamicRunCommand($builds->{"runCommandHook.example"}),
-                0,
-                "Builds don't run from a jobset with disabled dynamic runcommand"
-            );
+
+            like(warning {
+                is(
+                    Hydra::Plugin::RunCommand::isBuildEligibleForDynamicRunCommand($builds->{"runCommandHook.example"}),
+                    0,
+                    "Builds don't run from a jobset with disabled dynamic runcommand"
+                );
+            }, qr/project or jobset don't have dynamic runcommand enabled./, "A relevant warning is provided for a disabled runcommand support")
         };
 
         subtest "enabled on the project, disabled on the jobset" => sub {
             $build->project->update({enable_dynamic_run_command => 1});
             $build->jobset->update({enable_dynamic_run_command => 0});
 
-            is(
-                Hydra::Plugin::RunCommand::isBuildEligibleForDynamicRunCommand($builds->{"runCommandHook.example"}),
-                0,
-                "Builds don't run from a jobset with disabled dynamic runcommand"
-            );
+            like(warning {
+                is(
+                    Hydra::Plugin::RunCommand::isBuildEligibleForDynamicRunCommand($builds->{"runCommandHook.example"}),
+                    0,
+                    "Builds don't run from a jobset with disabled dynamic runcommand"
+                );
+            }, qr/project or jobset don't have dynamic runcommand enabled./, "A relevant warning is provided for a disabled runcommand support")
         };
 
         subtest "disabled on the project, disabled on the jobset" => sub {
             $build->project->update({enable_dynamic_run_command => 0});
             $build->jobset->update({enable_dynamic_run_command => 0});
 
-            is(
-                Hydra::Plugin::RunCommand::isBuildEligibleForDynamicRunCommand($builds->{"runCommandHook.example"}),
-                0,
-                "Builds don't run from a jobset with disabled dynamic runcommand"
-            );
+            like(warning {
+                is(
+                    Hydra::Plugin::RunCommand::isBuildEligibleForDynamicRunCommand($builds->{"runCommandHook.example"}),
+                    0,
+                    "Builds don't run from a jobset with disabled dynamic runcommand"
+                );
+            }, qr/project or jobset don't have dynamic runcommand enabled./, "A relevant warning is provided for a disabled runcommand support")
         };
     };
 };