diff --git a/libretroshare/src/util/rsdiscspace.cc b/libretroshare/src/util/rsdiscspace.cc
index 232beba56..294914079 100644
--- a/libretroshare/src/util/rsdiscspace.cc
+++ b/libretroshare/src/util/rsdiscspace.cc
@@ -115,6 +115,12 @@ bool RsDiscSpace::checkForDiscSpace(RsDiscSpace::DiscLocation loc)
 {
 	RsStackMutex m(_mtx) ; // Locked
 
+	if(!rsFiles)			// 
+	{
+		std::cerr << "checkForDiscSpace(): ERROR: rsFiles is 0x0" << std::endl ;
+		return true ;
+	}
+
 	time_t now = time(NULL) ;
 
 	if(_last_check[loc]+DELAY_BETWEEN_CHECKS < now)