diff --git a/ifs_samples/grib1/CMakeLists.txt b/ifs_samples/grib1/CMakeLists.txt
index 9a8b4e9a2..42f9ea257 100644
--- a/ifs_samples/grib1/CMakeLists.txt
+++ b/ifs_samples/grib1/CMakeLists.txt
@@ -1,5 +1,5 @@
 set( _basedir grib1 )
-set( _destination_install ${CMAKE_INSTALL_PREFIX}/${ECCODES_IFS_SAMPLES_SUFF}/${_basedir} )
+set( _destination_install ${ECCODES_IFS_SAMPLES_SUFF}/${_basedir} )
 set( _destination_build   ${CMAKE_BINARY_DIR}/${ECCODES_IFS_SAMPLES_SUFF}/${_basedir} )
 
 list( APPEND ifs_samples_${_basedir}
diff --git a/ifs_samples/grib1_mlgrib2/CMakeLists.txt b/ifs_samples/grib1_mlgrib2/CMakeLists.txt
index c28663cf5..5b597ce7b 100644
--- a/ifs_samples/grib1_mlgrib2/CMakeLists.txt
+++ b/ifs_samples/grib1_mlgrib2/CMakeLists.txt
@@ -1,5 +1,5 @@
 set( _basedir grib1_mlgrib2 )
-set( _destination_install ${CMAKE_INSTALL_PREFIX}/${ECCODES_IFS_SAMPLES_SUFF}/${_basedir} )
+set( _destination_install ${ECCODES_IFS_SAMPLES_SUFF}/${_basedir} )
 set( _destination_build   ${CMAKE_BINARY_DIR}/${ECCODES_IFS_SAMPLES_SUFF}/${_basedir} )
 
 list( APPEND ifs_samples_${_basedir}
diff --git a/ifs_samples/grib1_mlgrib2_ieee64/CMakeLists.txt b/ifs_samples/grib1_mlgrib2_ieee64/CMakeLists.txt
index c041dc3b2..efffb7446 100644
--- a/ifs_samples/grib1_mlgrib2_ieee64/CMakeLists.txt
+++ b/ifs_samples/grib1_mlgrib2_ieee64/CMakeLists.txt
@@ -1,5 +1,5 @@
 set( _basedir grib1_mlgrib2_ieee64 )
-set( _destination_install ${CMAKE_INSTALL_PREFIX}/${ECCODES_IFS_SAMPLES_SUFF}/${_basedir} )
+set( _destination_install ${ECCODES_IFS_SAMPLES_SUFF}/${_basedir} )
 set( _destination_build   ${CMAKE_BINARY_DIR}/${ECCODES_IFS_SAMPLES_SUFF}/${_basedir} )
 
 list( APPEND ifs_samples_${_basedir}