diff --git a/modules/flowable-cmmn-engine/src/main/java/org/flowable/cmmn/engine/impl/deployer/CmmnDeployer.java b/modules/flowable-cmmn-engine/src/main/java/org/flowable/cmmn/engine/impl/deployer/CmmnDeployer.java
index 8acaae42066..6c537faf103 100644
--- a/modules/flowable-cmmn-engine/src/main/java/org/flowable/cmmn/engine/impl/deployer/CmmnDeployer.java
+++ b/modules/flowable-cmmn-engine/src/main/java/org/flowable/cmmn/engine/impl/deployer/CmmnDeployer.java
@@ -86,7 +86,7 @@ public void deploy(EngineDeployment deployment, Map<String, Object> deploymentSe
         for (EngineResource resource : deployment.getResources().values()) {
             if (isCmmnResource(resource.getName())) {
                 LOGGER.debug("Processing CMMN resource {}", resource.getName());
-                parseResult.merge(cmmnParser.parse(new CmmnParseContextImpl(resource)));
+                parseResult.merge(cmmnParser.parse(new CmmnParseContextImpl(resource, deployment.isNew())));
             }
         }
 
@@ -407,9 +407,11 @@ public void setUsePrefixId(boolean usePrefixId) {
     protected class CmmnParseContextImpl implements CmmnParseContext {
 
         protected final EngineResource resource;
+        protected final boolean newDeployment;
 
-        public CmmnParseContextImpl(EngineResource resource) {
+        public CmmnParseContextImpl(EngineResource resource, boolean newDeployment) {
             this.resource = resource;
+            this.newDeployment = newDeployment;
         }
 
         @Override
@@ -434,7 +436,8 @@ public boolean validateXml() {
 
         @Override
         public boolean validateCmmnModel() {
-            return validateXml();
+            // On redeploy, we assume it is validated at the first deploy
+            return newDeployment && validateXml();
         }
 
         @Override
diff --git a/modules/flowable-cmmn-engine/src/test/java/org/flowable/cmmn/test/repository/DeploymentTest.java b/modules/flowable-cmmn-engine/src/test/java/org/flowable/cmmn/test/repository/DeploymentTest.java
index 79be64a6e93..68abfca2be5 100644
--- a/modules/flowable-cmmn-engine/src/test/java/org/flowable/cmmn/test/repository/DeploymentTest.java
+++ b/modules/flowable-cmmn-engine/src/test/java/org/flowable/cmmn/test/repository/DeploymentTest.java
@@ -26,6 +26,8 @@
 import org.flowable.cmmn.engine.test.FlowableCmmnTestCase;
 import org.flowable.cmmn.model.CmmnModel;
 import org.flowable.cmmn.model.PlanItem;
+import org.flowable.cmmn.validation.CaseValidator;
+import org.flowable.cmmn.validation.CaseValidatorImpl;
 import org.flowable.common.engine.api.FlowableException;
 import org.flowable.common.engine.impl.persistence.deploy.DefaultDeploymentCache;
 import org.flowable.common.engine.impl.persistence.deploy.DeploymentCache;
@@ -191,6 +193,39 @@ public void deployingCaseModelWithErrorsShouldFail() {
         assertThat(cmmnRepositoryService.createCaseDefinitionQuery().list()).isEmpty();
     }
 
+    @Test
+    public void alreadyDeployedCaseModelWithErrorsShouldNotFail() {
+        CaseValidator originalValidator = cmmnEngineConfiguration.getCaseValidator();
+
+        try {
+            // We disable all the validations so we can test this
+            cmmnEngineConfiguration.setCaseValidator(new CaseValidatorImpl());
+
+            org.flowable.cmmn.api.repository.CmmnDeployment cmmnDeployment = cmmnRepositoryService.createDeployment()
+                    .addClasspathResource("org/flowable/cmmn/test/repository/DeploymentTest.testCaseDefinitionWithErrors.cmmn")
+                    .deploy();
+            autoCleanupDeploymentIds.add(cmmnDeployment.getId());
+            CaseDefinition caseDefinition = cmmnRepositoryService.createCaseDefinitionQuery()
+                    .caseDefinitionKey("myCase")
+                    .singleResult();
+            assertThat(caseDefinition).isNotNull();
+
+            cmmnEngineConfiguration.setCaseValidator(originalValidator);
+
+            // remove it from the cache to force parsing it again
+            cmmnEngineConfiguration.getDeploymentManager()
+                    .getCaseDefinitionCache()
+                    .clear();
+
+            CmmnModel cmmnModel = cmmnRepositoryService.getCmmnModel(caseDefinition.getId());
+
+            assertThat(cmmnModel).isNotNull();
+
+        } finally {
+            cmmnEngineConfiguration.setCaseValidator(originalValidator);
+        }
+    }
+
     @Test
     public void deployingCaseModelWithWarningsShouldNotFail() {
         org.flowable.cmmn.api.repository.CmmnDeployment deployment = null;