diff --git a/Changes b/Changes
index 4477da6..a127806 100644
--- a/Changes
+++ b/Changes
@@ -1,11 +1,12 @@
 # version 0.74-SNAPSHOT
 
-- Unified ResourceFilters and SearchResourceFilters.
 - Remove corpusQuery param in the statistics web-service (close #758).
 - Moved NamedVCLoader to the init package.
 - Clean up Spring XML configs.
 - Fix some logging to write to file instead of stdout.
 - Change CC RE from CC-BY.* to CC.* (kupietz)
+- Unified ResourceFilters and SearchResourceFilters.
+- Fixed supported versions in the configs & changed delimiter to comma.
 
 # version 0.73.2
 
diff --git a/src/main/java/de/ids_mannheim/korap/config/KustvaktConfiguration.java b/src/main/java/de/ids_mannheim/korap/config/KustvaktConfiguration.java
index 9fa7e85..a1ccd11 100644
--- a/src/main/java/de/ids_mannheim/korap/config/KustvaktConfiguration.java
+++ b/src/main/java/de/ids_mannheim/korap/config/KustvaktConfiguration.java
@@ -15,6 +15,7 @@
 import java.util.Properties;
 import java.util.Set;
 import java.util.regex.Pattern;
+import java.util.stream.Collectors;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -161,7 +162,8 @@
         this.supportedVersions = new HashSet<>();
         if (!supportedVersions.isEmpty()) {
             List<String> versionArray = Arrays
-                    .asList(supportedVersions.split(" "));
+                    .stream(supportedVersions.split(",")).map(String::trim)
+                    .collect(Collectors.toList());
             this.supportedVersions.addAll(versionArray);
         }
         this.supportedVersions.add(currentVersion);
diff --git a/src/main/resources/kustvakt.conf b/src/main/resources/kustvakt.conf
index a45eb41..e90c513 100644
--- a/src/main/resources/kustvakt.conf
+++ b/src/main/resources/kustvakt.conf
@@ -14,8 +14,8 @@
 # Kustvakt
 api.welcome.message = Welcome to KorAP API!
 current.api.version = v1.0
-# multiple versions separated by space
-# supported.api.version = v1.0
+# multiple versions comma separated
+# supported.api.versions = v1.0
 
 # server
 server.port=8089
diff --git a/src/test/java/de/ids_mannheim/korap/web/ApiVersionTest.java b/src/test/java/de/ids_mannheim/korap/web/APIVersionTest.java
similarity index 72%
rename from src/test/java/de/ids_mannheim/korap/web/ApiVersionTest.java
rename to src/test/java/de/ids_mannheim/korap/web/APIVersionTest.java
index 9e138fa..0c1dce0 100644
--- a/src/test/java/de/ids_mannheim/korap/web/ApiVersionTest.java
+++ b/src/test/java/de/ids_mannheim/korap/web/APIVersionTest.java
@@ -3,10 +3,13 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import java.net.URI;
+import java.util.Set;
 
 import org.eclipse.jetty.http.HttpStatus;
 import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
 
+import de.ids_mannheim.korap.config.KustvaktConfiguration;
 import de.ids_mannheim.korap.config.SpringJerseyTest;
 import de.ids_mannheim.korap.exceptions.KustvaktException;
 import jakarta.ws.rs.core.MediaType;
@@ -15,8 +18,11 @@
 /**
  * @author margaretha
  */
-public class ApiVersionTest extends SpringJerseyTest {
+public class APIVersionTest extends SpringJerseyTest {
 
+    @Autowired
+    private KustvaktConfiguration config;
+    
     @Test
     public void testSearchWithoutVersion () throws KustvaktException {
         Response response = target().path("api").path("search")
@@ -36,4 +42,13 @@
         URI location = response.getLocation();
         assertEquals("/api/" + API_VERSION + "/search", location.getPath());
     }
+    
+    @Test
+    public void testSupportedVersions () {
+        Set<String> versions = config.getSupportedVersions();
+        assertEquals(2, versions.size());
+        
+        String version = versions.stream().findFirst().orElse("");
+        assertEquals(4, version.length());
+    }
 }
diff --git a/src/test/resources/kustvakt-dnb.conf b/src/test/resources/kustvakt-dnb.conf
index c6dbdf1..54e0edf 100644
--- a/src/test/resources/kustvakt-dnb.conf
+++ b/src/test/resources/kustvakt-dnb.conf
@@ -21,9 +21,9 @@
 
 # Kustvakt versions
 #
-# multiple versions separated by space
+# multiple versions comma separated
 current.api.version = v1.0
-supported.api.version = v0.1 v1.0
+supported.api.versions = v1.0
 
 # Server
 #
diff --git a/src/test/resources/kustvakt-icc.conf b/src/test/resources/kustvakt-icc.conf
index 965eb4c..354022e 100644
--- a/src/test/resources/kustvakt-icc.conf
+++ b/src/test/resources/kustvakt-icc.conf
@@ -13,9 +13,9 @@
 ldap.config = src/test/resources/test-ldap.conf
 
 # Kustvakt
-# multiple versions separated by space
+# multiple versions comma separated
 current.api.version = v1.0
-supported.api.version = v0.1 v1.0
+supported.api.versions = v1.0
 
 # server
 server.port=8089
diff --git a/src/test/resources/kustvakt-test.conf b/src/test/resources/kustvakt-test.conf
index eb94008..f10d3e8 100644
--- a/src/test/resources/kustvakt-test.conf
+++ b/src/test/resources/kustvakt-test.conf
@@ -19,9 +19,9 @@
 
 # Kustvakt versions
 #
-# multiple versions separated by space
+# multiple versions comma separated
 current.api.version = v1.0
-supported.api.version = v0.1 v1.0
+supported.api.versions = v0.1, v1.0
 
 # Server
 #