diff --git a/openbis_standard_technologies/build.gradle b/openbis_standard_technologies/build.gradle
index 2ff6026ed12ad0a9992ab5b52542e5b7bf82592b..5b4c054dd1b48863f5f7910526f2f07218050f00 100644
--- a/openbis_standard_technologies/build.gradle
+++ b/openbis_standard_technologies/build.gradle
@@ -377,6 +377,8 @@ task clientsAndApis(type: Zip, dependsOn: [dssClientZip, queryApiZip, apiV3Zip,
 
 task generateJavadoc(type: Javadoc) {
 	source = configurations.javadoc_sources.collect { zipTree(it).matching {
+		include "**/ch/ethz/sis/openbis/generic/asapi/**/*.java"
+		include "**/ch/ethz/sis/openbis/generic/dssapi/**/*.java"
 		include "**/ch/systemsx/cisd/**/api/**/*.java"
 		include "**/ch/systemsx/cisd/base/**/*.java"		
 		include "**/OpenBISScreeningML.java"