diff --git a/src/org/linphone/LinphoneManager.java b/src/org/linphone/LinphoneManager.java
index e10aae24a..62ef03cde 100644
--- a/src/org/linphone/LinphoneManager.java
+++ b/src/org/linphone/LinphoneManager.java
@@ -842,7 +842,7 @@ public class LinphoneManager implements LinphoneCoreListener, LinphoneChatMessag
 		copyIfNotExist(R.raw.linphonerc_default, mLinphoneConfigFile);
 		copyFromPackage(R.raw.linphonerc_factory, new File(mLinphoneFactoryConfigFile).getName());
 		copyIfNotExist(R.raw.lpconfig, mLPConfigXsd);
-		copyFromPackage(R.raw.rootca, mLinphoneRootCaFile);
+		copyFromPackage(R.raw.rootca, new File(mLinphoneRootCaFile).getName());
 	}
 
 	public void copyIfNotExist(int ressourceId, String target) throws IOException {