diff --git a/utils/api_demos/mainHomology.cpp b/utils/api_demos/mainHomology.cpp
index 429115985903a6d9f87f2697501f6cb07bd7a942..1697a079f72b47c20ad19c85f55ed5f7cc482af1 100644
--- a/utils/api_demos/mainHomology.cpp
+++ b/utils/api_demos/mainHomology.cpp
@@ -49,7 +49,7 @@ int main(int argc, char **argv)
   homology->addChainsToModel(2);
 
   // write mesh with (co)homology computation result chains
-  m->writeMSh("model_hom.msh");
+  m->writeMSH("model_hom.msh");
 
   delete cc;
   delete homology;