diff --git a/wsmaster/che-core-api-factory/src/main/java/org/eclipse/che/api/factory/server/RawDevfileUrlFactoryParameterResolver.java b/wsmaster/che-core-api-factory/src/main/java/org/eclipse/che/api/factory/server/RawDevfileUrlFactoryParameterResolver.java
index c9ee281ec4..56525a0f44 100644
--- a/wsmaster/che-core-api-factory/src/main/java/org/eclipse/che/api/factory/server/RawDevfileUrlFactoryParameterResolver.java
+++ b/wsmaster/che-core-api-factory/src/main/java/org/eclipse/che/api/factory/server/RawDevfileUrlFactoryParameterResolver.java
@@ -69,7 +69,7 @@ public class RawDevfileUrlFactoryParameterResolver extends BaseFactoryParameterR
   @Override
   public boolean accept(Map<String, String> factoryParameters) {
     String url = factoryParameters.get(URL_PARAMETER_NAME);
-    return !isNullOrEmpty(url) && PATTERN.matcher(url).matches() || containsDevfile(url);
+    return !isNullOrEmpty(url) && (PATTERN.matcher(url).matches() || containsDevfile(url));
   }
 
   private boolean containsDevfile(String requestURL) {