diff --git a/install_external_libs/optional_install_gmsh_api.sh b/install_external_libs/optional_install_gmsh_api.sh
index 9821adf3..b3b19a3a 100755
--- a/install_external_libs/optional_install_gmsh_api.sh
+++ b/install_external_libs/optional_install_gmsh_api.sh
@@ -14,7 +14,7 @@ cd ~/SLlibs;
 echo '__________________________________________';
 echo 'FETCHING THE GMSH API';
 rm gmsh*.tgz;
-wget http://gmsh.info/bin/Linux/gmsh-4.5.2-Linux64-sdk.tgz;
+wget --https-only https://gmsh.info/bin/Linux/gmsh-4.5.2-Linux64-sdk.tgz;
 tar -xf *.tgz;
 rm gmsh*.tgz;
 mv gmsh* gmsh;