diff --git a/script/install_PETSC.sh b/script/install_PETSC.sh
index 50e5c04a9357b11e0c5c9378653981baa28247c2..1f6aab7b4e6d4e2bff2c38861d1c9e6f7b7b97b4 100755
--- a/script/install_PETSC.sh
+++ b/script/install_PETSC.sh
@@ -87,7 +87,7 @@ fi
 
 #### OK here we check if we can configure work with SUITESPARSE
 echo "Testing if PETSC work with SUITESPARSE"
-conigure_options2="$configure_options --with-suitesparse=yes --with-suitesparse-dir=$1/SUITESPARSE "
+configure_options2="$configure_options --with-suitesparse=yes --with-suitesparse-dir=$1/SUITESPARSE "
 test_configure_options    
 
 if [ $? -eq 0 ]; then