diff --git a/OpenVPN Adapter/OpenVPNConfiguration.mm b/OpenVPN Adapter/OpenVPNConfiguration.mm
index 208f23f..3d5dc6b 100644
--- a/OpenVPN Adapter/OpenVPNConfiguration.mm	
+++ b/OpenVPN Adapter/OpenVPNConfiguration.mm	
@@ -219,7 +219,7 @@ NSString *const OpenVPNTLSCertProfileDefaultValue = @"default";
 }
 
 - (void)setFileContent:(NSData *)fileContent {
-    _config.content = fileContent ? std::string((const char *)fileContent.bytes) : "";
+    _config.content = fileContent.length ? std::string((const char *)fileContent.bytes) : "";
 }
 
 - (NSDictionary<NSString *,NSString *> *)settings {