diff --git a/monitord/plugins/dll-elf.cpp b/monitord/plugins/dll-elf.cpp
index 2db007a..ece23fc 100644
--- a/monitord/plugins/dll-elf.cpp
+++ b/monitord/plugins/dll-elf.cpp
@@ -12,9 +12,11 @@
 	h=dlopen( fname, RTLD_NOW );
 	if (h==NULL)
 	{
+		err = dlerror();
 		LOG_ERROR("error loading library file \"" << fname << "\"" )
+		LOG_ERROR("root cause: \"" << err << "\"")
 	}
-	err=dlerror();
+	
 }
 
 DLLManager::~DLLManager()