diff --git a/install/MarcMentat/2020/Marc_tools/include_linux64.patch b/install/MarcMentat/2020/Marc_tools/include_linux64.patch
index 9849584fa..133ca07cb 100644
--- a/install/MarcMentat/2020/Marc_tools/include_linux64.patch
+++ b/install/MarcMentat/2020/Marc_tools/include_linux64.patch
@@ -8,7 +8,7 @@
 +# DAMASK uses the HDF5 compiler wrapper around the Intel compiler
 +H5FC="$(h5fc -shlib -show)"
 +HDF5_LIB=${H5FC//ifort/}
-+FCOMP="$H5FC -DDAMASK_HDF5"
++FCOMP="$H5FC"
  
  # AEM
  if test "$MARCDLLOUTDIR" = ""; then
diff --git a/install/MarcMentat/2021.2/Marc_tools/include_linux64.patch b/install/MarcMentat/2021.2/Marc_tools/include_linux64.patch
index 5ff02dae6..452618457 100644
--- a/install/MarcMentat/2021.2/Marc_tools/include_linux64.patch
+++ b/install/MarcMentat/2021.2/Marc_tools/include_linux64.patch
@@ -8,7 +8,7 @@
 +# DAMASK uses the HDF5 compiler wrapper around the Intel compiler
 +H5FC="$(h5fc -shlib -show)"
 +HDF5_LIB=${H5FC//ifort/}
-+FCOMP="$H5FC -DDAMASK_HDF5"
++FCOMP="$H5FC"
  
  # AEM
  if test "$MARCDLLOUTDIR" = ""; then
diff --git a/install/MarcMentat/2021.3.1/Marc_tools/include_linux64.patch b/install/MarcMentat/2021.3.1/Marc_tools/include_linux64.patch
index e1cc543c6..4adec9db1 100644
--- a/install/MarcMentat/2021.3.1/Marc_tools/include_linux64.patch
+++ b/install/MarcMentat/2021.3.1/Marc_tools/include_linux64.patch
@@ -7,7 +7,7 @@
 +# DAMASK uses the HDF5 compiler wrapper around the Intel compiler
 +H5FC="$(h5fc -shlib -show)"
 +HDF5_LIB=${H5FC//ifort/}
-+FCOMP="$H5FC -DDAMASK_HDF5"
++FCOMP="$H5FC"
 +
  # AEM
  if test "$MARCDLLOUTDIR" = ""; then