diff --git a/arc-core/src/main/java/fr/insee/arc/core/service/p2chargement/operation/ParseFormatRulesOperation.java b/arc-core/src/main/java/fr/insee/arc/core/service/p2chargement/operation/ParseFormatRulesOperation.java
index fcb415a24..40482b315 100644
--- a/arc-core/src/main/java/fr/insee/arc/core/service/p2chargement/operation/ParseFormatRulesOperation.java
+++ b/arc-core/src/main/java/fr/insee/arc/core/service/p2chargement/operation/ParseFormatRulesOperation.java
@@ -104,7 +104,7 @@ private String parse(T criteria, String inputString) {
 
 		if (criteria.getAfterTag() == null) {
 			if (inputString.contains(criteria.getBeforeTag())) {
-				return ManipString.substringBeforeFirst(inputString, criteria.getBeforeTag());
+				return ManipString.substringBeforeFirst(inputString, criteria.getBeforeTag()).trim();
 			} else {
 				return null;
 			}
@@ -115,7 +115,7 @@ private String parse(T criteria, String inputString) {
 				return ManipString.substringBeforeFirst(
 						ManipString.substringAfterFirst(inputString, criteria.getAfterTag()), criteria.getBeforeTag());
 			} else {
-				return ManipString.substringAfterFirst(inputString, criteria.getAfterTag());
+				return ManipString.substringAfterFirst(inputString, criteria.getAfterTag()).trim();
 			}
 		}