diff --git a/gradle/checkstyle.xml b/gradle/checkstyle.xml
index 72950c7bd..e4df54d8c 100644
--- a/gradle/checkstyle.xml
+++ b/gradle/checkstyle.xml
@@ -5,6 +5,8 @@
 
 <module name="Checker">
 
+    <module name="SuppressWarningsFilter"/>
+
     <module name="SuppressionSingleFilter">
         <property name="files" value="[/\\]protobuf[/\\]"/>
         <property name="checks" value=".*"/>
@@ -51,6 +53,8 @@
 
     <module name="TreeWalker">
 
+        <module name="SuppressWarningsHolder"/>
+
         <!-- Checks for Naming Conventions.                  -->
         <!-- See http://checkstyle.sf.net/config_naming.html -->
         <module name="ConstantName"/>
diff --git a/src/main/java/org/traccar/api/HealthCheckService.java b/src/main/java/org/traccar/api/HealthCheckService.java
index cd2856dfa..1e8f0d731 100644
--- a/src/main/java/org/traccar/api/HealthCheckService.java
+++ b/src/main/java/org/traccar/api/HealthCheckService.java
@@ -84,7 +84,8 @@ public class HealthCheckService {
     }
 
     interface SystemD extends Library {
-        int sd_notify(int unset_environment, String state);
+        @SuppressWarnings("checkstyle:MethodName")
+        int sd_notify(@SuppressWarnings("checkstyle:ParameterName") int unset_environment, String state);
     }
 
 }