diff --git a/data.cpp b/data.cpp
index e18747c..c7d493d 100755
--- a/data.cpp
+++ b/data.cpp
@@ -346,7 +346,7 @@ void get_available_space(std::vector<Space> &space) {
 			
 			// figure out free and total space
 			statfs(mountpoint.c_str(), &stats);
-			free_space = stats.f_bavail * stats.f_bsize;
+			free_space = stats.f_bfree * stats.f_bsize;
 			total_space = stats.f_blocks * stats.f_bsize;
 			
 			// pass it on