diff --git a/src/android/org/linphone/LinphonePreferences.java b/src/android/org/linphone/LinphonePreferences.java
index 0f2f94b06..2417a83cb 100644
--- a/src/android/org/linphone/LinphonePreferences.java
+++ b/src/android/org/linphone/LinphonePreferences.java
@@ -742,6 +742,7 @@ public class LinphonePreferences {
 
 	public void setAccountEnabled(int n, boolean enabled) {
 		LinphoneProxyConfig prxCfg = getProxyConfig(n);
+		if (prxCfg == null) return;
 		prxCfg.edit();
 		prxCfg.enableRegister(enabled);
 		prxCfg.done();