diff --git a/cgmes/cgmes-conversion/src/main/java/com/powsybl/cgmes/conversion/export/CgmesExportUtil.java b/cgmes/cgmes-conversion/src/main/java/com/powsybl/cgmes/conversion/export/CgmesExportUtil.java
index 80c632b6195..319b4c1dbf3 100644
--- a/cgmes/cgmes-conversion/src/main/java/com/powsybl/cgmes/conversion/export/CgmesExportUtil.java
+++ b/cgmes/cgmes-conversion/src/main/java/com/powsybl/cgmes/conversion/export/CgmesExportUtil.java
@@ -386,7 +386,7 @@ private static <C extends Connectable<C>> String getTapChangerId(C twt, String c
     }
 
     static boolean regulatingControlIsDefined(RatioTapChanger rtc) {
-        return !Double.isNaN(rtc.getTargetV())
+        return !Double.isNaN(rtc.getRegulationValue())
                 && !Double.isNaN(rtc.getTargetDeadband())
                 && rtc.getRegulationTerminal() != null;
     }