diff --git a/CMakeLists.txt b/CMakeLists.txt
index f65b36f16..bbf1c5cff 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -239,13 +239,13 @@ else()
 endif()
 
 if( NOT DEFINED ECCODES_DEFINITION_SUFF )
-  set( ECCODES_DEFINITION_SUFF  share/eccodes/definitions )
+  set( ECCODES_DEFINITION_SUFF  ${INSTALL_DATA_DIR}/definitions )
 endif()
 if( NOT DEFINED ECCODES_SAMPLES_SUFF )
-  set( ECCODES_SAMPLES_SUFF     share/eccodes/samples )
+  set( ECCODES_SAMPLES_SUFF     ${INSTALL_DATA_DIR}/samples )
 endif()
 if( NOT DEFINED ECCODES_IFS_SAMPLES_SUFF )
-  set( ECCODES_IFS_SAMPLES_SUFF share/eccodes/ifs_samples )
+  set( ECCODES_IFS_SAMPLES_SUFF ${INSTALL_DATA_DIR}/ifs_samples )
 endif()
 
 set( ECCODES_DEFINITION_PATH  ${the_default_data_prefix}/${ECCODES_DEFINITION_SUFF} )