diff --git a/src/main/java/org/gcube/oidc/SlashSeparatedContextMapper.java b/src/main/java/org/gcube/oidc/SlashSeparatedContextMapper.java
index 6452619..60dd281 100644
--- a/src/main/java/org/gcube/oidc/SlashSeparatedContextMapper.java
+++ b/src/main/java/org/gcube/oidc/SlashSeparatedContextMapper.java
@@ -7,6 +7,8 @@ import java.util.Map;
 
 public class SlashSeparatedContextMapper extends AbstractOIDCToSitesAndRolesMapper {
 
+    private static final Boolean FAULT_TOLLERANT = Boolean.TRUE;
+
     private static final String SPLIT_REGEXP = "/";
 
     private static final int MINIMUM_TOKENS = 2;
@@ -40,8 +42,13 @@ public class SlashSeparatedContextMapper extends AbstractOIDCToSitesAndRolesMapp
                 logger.debug("Tokens are: " + siteTokens.length);
             }
             if (siteTokens.length < MINIMUM_TOKENS) {
-                throw new SitesMapperExecption(
-                        "Found " + siteTokens.length + " tokens only. Minimum should be: " + MINIMUM_TOKENS);
+                String message = "Found " + siteTokens.length + " tokens only. Minimum should be: " + MINIMUM_TOKENS;
+                if (FAULT_TOLLERANT) {
+                    logger.warn(message);
+                    continue;
+                } else {
+                    throw new SitesMapperExecption(message);
+                }
             }
             String rootVO = siteTokens[ROOT_VO_TOKEN_INDEX];
             if (logger.isDebugEnabled()) {