diff --git a/linkcheck/project.properties b/linkcheck/project.properties
index 5fa9dd99..4e9f2509 100644
--- a/linkcheck/project.properties
+++ b/linkcheck/project.properties
@@ -23,15 +23,32 @@
 maven.jar.override=on
 maven.jar.maven = ${maven.home}/lib/maven.jar
 
+# Those properties aren't loaded from plugin.properties in JUnit tests
+maven.linkcheck.cache=${maven.build.dir}/linkcheck/linkcheck.cache
+maven.linkcheck.failonerror=false
+maven.linkcheck.exclude=${pom.repository.url}
+maven.linkcheck.proxy.host=${maven.proxy.host}
+maven.linkcheck.proxy.port=${maven.proxy.port}
+maven.linkcheck.proxy.username=${maven.proxy.username}
+maven.linkcheck.proxy.password=${maven.proxy.password}
+maven.linkcheck.proxy.ntlm.host=${maven.proxy.ntlm.host}
+maven.linkcheck.proxy.ntlm.domain=${maven.proxy.ntlm.domain}
+maven.linkcheck.method=head
+
+# Logs Level ?
+log4j.logger.org.apache.maven.plugin.linkcheck=INFO
+
 # Properties required for the unit tests
 maven.junit.sysproperties = \
-  maven.linkcheck.method \
+  maven.linkcheck.cache \
+  maven.linkcheck.failonerror \
+  maven.linkcheck.exclude \
   maven.linkcheck.proxy.host \
   maven.linkcheck.proxy.port \
   maven.linkcheck.proxy.username \
   maven.linkcheck.proxy.password \
   maven.linkcheck.proxy.ntlm.host \
   maven.linkcheck.proxy.ntlm.domain \
-  maven.mode.online
-
-log4j.logger.org.apache.maven.plugin.linkcheck=INFO
\ No newline at end of file
+  maven.linkcheck.method \
+  maven.mode.online \
+  log4j.logger.org.apache.maven.plugin.linkcheck