diff --git a/data.cpp b/data.cpp
index 5b585b4..0b22f63 100755
--- a/data.cpp
+++ b/data.cpp
@@ -10,6 +10,7 @@
 #include <sys/vfs.h>
 #include <libgen.h>
 #include <ctype.h>
+#include <stdint.h>
 
 class Space {
 	public:
@@ -281,7 +282,7 @@ void get_available_space(std::vector<Space> &space) {
 	std::vector<std::string> mounts;
 	struct statfs stats;
 	std::string fullname, name, mountpoint;
-	fsblkcnt_t free_space, total_space;
+	uint64_t free_blocks, total_blocks;
 	int ptr, len;
 	size_t str_pos;
 	bool OK;
@@ -346,11 +347,11 @@ void get_available_space(std::vector<Space> &space) {
 			
 			// figure out free and total space
 			statfs(mountpoint.c_str(), &stats);
-			free_space = stats.f_bfree * stats.f_bsize;
-			total_space = stats.f_blocks * stats.f_bsize;
+			free_blocks = stats.f_bfree;
+			total_blocks = stats.f_blocks;
 			
 			// pass it on
-			space.push_back(Space(name.c_str(), free_space, total_space));
+			space.push_back(Space(name.c_str(), free_blocks * stats.f_bsize, total_blocks * stats.f_bsize));
 		}
 	}
 }