diff --git a/java/src/main/java/com/powsybl/python/security/SecurityAnalysisCFunctions.java b/java/src/main/java/com/powsybl/python/security/SecurityAnalysisCFunctions.java
index bdc0e9868a..0861dfcd65 100644
--- a/java/src/main/java/com/powsybl/python/security/SecurityAnalysisCFunctions.java
+++ b/java/src/main/java/com/powsybl/python/security/SecurityAnalysisCFunctions.java
@@ -386,11 +386,9 @@ public static void addGeneratorActivePowerAction(IsolateThread thread, ObjectHan
             String actionIdStr = CTypeUtil.toString(actionId);
             String generatorIdStr = CTypeUtil.toString(generatorId);
             GeneratorActionBuilder builder = new GeneratorActionBuilder().withId(actionIdStr)
-                    .withGeneratorId(generatorIdStr);
-            if (relativeValue) {
-                builder.withActivePowerRelativeValue(relativeValue);
-            }
-            builder.withActivePowerValue(activePower);
+                    .withGeneratorId(generatorIdStr)
+                    .withActivePowerRelativeValue(relativeValue)
+                    .withActivePowerValue(activePower);
             analysisContext.addAction(builder.build());
         });
     }
diff --git a/tests/test_security_analysis.py b/tests/test_security_analysis.py
index a7e4c94d32..18bdc8bc9a 100644
--- a/tests/test_security_analysis.py
+++ b/tests/test_security_analysis.py
@@ -324,6 +324,19 @@ def test_load_action_with_all_violation_condition():
     assert len(sa_result.find_operator_strategy_results('OperatorStrategy1').limit_violations) == 3
     assert 'OperatorStrategy2' not in sa_result.operator_strategy_results.keys()
 
+def test_generator_action():
+    n = pp.network.create_eurostag_tutorial_example1_network()
+    sa = pp.security.create_analysis()
+    sa.add_single_element_contingency('NHV1_NHV2_1', 'Line contingency')
+    sa.add_generator_active_power_action(action_id='GeneratorActionAbsolute', generator_id='GEN', is_relative=False, active_power=750.0)
+    sa.add_generator_active_power_action(action_id='GeneratorActionRelative', generator_id='GEN', is_relative=True, active_power=150.0)
+    sa.add_operator_strategy('OperatorStrategy1', 'Line contingency', ['GeneratorActionAbsolute'])
+    sa.add_operator_strategy('OperatorStrategy2', 'Line contingency', ['GeneratorActionRelative'])
+    sa_result = sa.run_ac(n)
+    assert 'Line contingency' in sa_result.post_contingency_results.keys()
+    assert 'OperatorStrategy1' in sa_result.operator_strategy_results.keys()
+    assert 'OperatorStrategy2' in sa_result.operator_strategy_results.keys()
+
 def test_switch_action():
     n = pp.network.create_four_substations_node_breaker_network()
     sa = pp.security.create_analysis()