diff --git a/.gitmodules b/.gitmodules
index 36915fc822503bec315206d4ab82a2abee5a052e..acbd52552d1fd2082d146c4d2176121f5f1b3628 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -22,3 +22,6 @@
 [submodule "search-ui/src/main/webapp/themes/dariah-theme"]
 	path = search-ui/src/main/webapp/themes/dariah-theme
 	url = https://gitlab.rz.uni-bamberg.de/dariah/themes/dariah-theme.git
+[submodule "search-ui/src/main/webapp/themes/dariah-repository-theme"]
+	path = search-ui/src/main/webapp/themes/dariah-repository-theme
+	url = https://gitlab.rz.uni-bamberg.de/dariah/themes/dariah-repository-theme
diff --git a/build.gradle b/build.gradle
index 60a618ceca3019de5119e5d8044c50ec8c4d13a2..5137434d71c90e499a7ee25a9732eef6f01bab30 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,7 +9,7 @@ allprojects {
     apply plugin: 'eclipse'
 
     group = 'eu.dariah.de.minfba'
-    version = '4.3.3-SNAPSHOT'
+    version = '4.3.4-SNAPSHOT'
 
     repositories {
     	mavenLocal()
diff --git a/search-core/src/main/java/eu/dariah/de/search/es/client/SearchClientImpl.java b/search-core/src/main/java/eu/dariah/de/search/es/client/SearchClientImpl.java
index cc95e4908608eea11ae576f73c97ea549bf59428..2c21d6e963f3af7da33dfb5efbb3aff48e663085 100644
--- a/search-core/src/main/java/eu/dariah/de/search/es/client/SearchClientImpl.java
+++ b/search-core/src/main/java/eu/dariah/de/search/es/client/SearchClientImpl.java
@@ -41,7 +41,7 @@ public class SearchClientImpl extends BaseEsClientImpl implements SearchClient {
 	
 	@Override
 	public long count(SearchParams params) {
-		if (params.getIndexNames()==null) {
+		if (params.getIndexNames()==null || params.getIndexNames().length==0) {
 			return 0;
 		}
 		
@@ -74,7 +74,7 @@ public class SearchClientImpl extends BaseEsClientImpl implements SearchClient {
 	@Override
 	public SearchResponse query(SearchParams params) {		
 		try {
-			if (params.getIndexNames()==null) {
+			if (params.getIndexNames()==null || params.getIndexNames().length==0) {
 				return new NullSearchResponse();
 			}
 			
diff --git a/search-core/src/main/java/eu/dariah/de/search/es/service/SearchServiceImpl.java b/search-core/src/main/java/eu/dariah/de/search/es/service/SearchServiceImpl.java
index c84a7db9b2ef31636bae6a569c37f97dd1e3bb33..388198a22c6e3187aa20d79e891d6418f5943fb3 100644
--- a/search-core/src/main/java/eu/dariah/de/search/es/service/SearchServiceImpl.java
+++ b/search-core/src/main/java/eu/dariah/de/search/es/service/SearchServiceImpl.java
@@ -66,7 +66,7 @@ public class SearchServiceImpl implements SearchService {
 	@Override
 	public long count(QueryBuilder query, String... indexNames) {
 		if (indexNames==null || indexNames.length==0) {
-			indexNames= this.getIndexNames();
+			indexNames = this.getIndexNames();
 		}		
 		return searchClient.count(new SearchParams(indexNames, query));
 	}
diff --git a/search-ui/src/main/webapp/themes/dariah-repository-theme b/search-ui/src/main/webapp/themes/dariah-repository-theme
new file mode 160000
index 0000000000000000000000000000000000000000..576d22130e5ec4612227d3fef2cc21794cd4bf5f
--- /dev/null
+++ b/search-ui/src/main/webapp/themes/dariah-repository-theme
@@ -0,0 +1 @@
+Subproject commit 576d22130e5ec4612227d3fef2cc21794cd4bf5f