diff --git a/installation/mods_MarcMentat/2011/Marc_tools/run_h_marc b/installation/mods_MarcMentat/2011/Marc_tools/run_h_marc
index 86b1285f6..0f828cb55 100644
--- a/installation/mods_MarcMentat/2011/Marc_tools/run_h_marc
+++ b/installation/mods_MarcMentat/2011/Marc_tools/run_h_marc
@@ -1857,8 +1857,8 @@ fi
 # user subroutine used
 #
 # add BLAS and FFTW options for linking
-  BLAS="%BLAS"
-  FFTW="%FFTW"
+  BLAS="%BLAS%"
+  FFTW="%FFTW%"
 
   
   if test "$user"