diff --git a/src/utils/extrude-tin.cpp b/src/utils/extrude-tin.cpp
index 16330b86b..d2b9b49e6 100644
--- a/src/utils/extrude-tin.cpp
+++ b/src/utils/extrude-tin.cpp
@@ -87,7 +87,7 @@ main(const int argc, const char **argv)
         if (outfile.empty()) outfile = *it + "_extruded.stl";
         
         Slic3r::IO::STL::write(mesh2, outfile);
-        printf("Extuded mesh written to %s\n", outfile.c_str());
+        printf("Extruded mesh written to %s\n", outfile.c_str());
     }
     
     return 0;