diff --git a/fast_tsne.m b/fast_tsne.m
index d7a5446..bb01fb8 100644
--- a/fast_tsne.m
+++ b/fast_tsne.m
@@ -253,7 +253,11 @@
     disp('Data written');
     tic
     %[flag, cmdout] = system(fullfile(tsne_path,'/fast_tsne'), '-echo');
-    cmd = sprintf('%s %s data.dat result.dat %d',fullfile(tsne_path,'/fast_tsne'), version_number, p.nthreads);
+    if ispc
+        cmd = sprintf('%s %s data.dat result.dat %d',fullfile(tsne_path,'/fast_tsne.exe'), version_number, p.nthreads);
+    else
+        cmd = sprintf('%s %s data.dat result.dat %d',fullfile(tsne_path,'/fast_tsne'), version_number, p.nthreads);
+    end
     [flag, cmdout] = system(cmd, '-echo');
     if(flag~=0)
         error(cmdout);