diff --git a/CMakeLists.txt b/CMakeLists.txt
index 180cd7b7..01be74f8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -157,6 +157,8 @@ endfunction()
 file(WRITE dictionaries_mapping.dic "")
 cat(${DYNAWO_HOME}/share/dictionaries_mapping.dic dictionaries_mapping.dic)
 cat_filter(${DYNAWO_ALGORITHMS_HOME}/share/dictionaries_mapping.dic dictionaries_mapping.dic "Algorithms")
+file(APPEND dictionaries_mapping.dic "DFLLog                          = LOG\n")
+file(APPEND dictionaries_mapping.dic "DFLError                        = ERROR\n")
 install(FILES dictionaries_mapping.dic DESTINATION  ${CMAKE_INSTALL_PREFIX}/share/)
 
 # MPI (required by algorithms)
diff --git a/scripts/dynaflow-launcher.sh b/scripts/dynaflow-launcher.sh
index 49ee3d9c..af721a91 100755
--- a/scripts/dynaflow-launcher.sh
+++ b/scripts/dynaflow-launcher.sh
@@ -6,6 +6,18 @@ error_exit() {
   exit ${RETURN_CODE}
 }
 
+export_var_env() {
+  local var=$@
+  local name=${var%%=*}
+  local value=${var#*=}
+
+  if eval "[ \$$name ]"; then
+    eval "value=\${$name}"
+    return
+  fi
+  export $name="$value"
+}
+
 export_preload() {
   lib="tcmalloc"
   # uncomment to activate tcmalloc in debug when build is in debug
@@ -34,7 +46,7 @@ export DYNAWO_HOME=$INSTALL
 export DYNAWO_ALGORITHMS_HOME=$INSTALL
 export LD_LIBRARY_PATH=$INSTALL/lib64:$INSTALL/lib:$LD_LIBRARY_PATH
 export IIDM_XML_XSD_PATH=$DYNAWO_HOME/share/iidm/xsd
-export DYNAFLOW_LAUNCHER_LOCALE=en_GB
+export_var_env DYNAFLOW_LAUNCHER_LOCALE=en_GB
 export DYNAFLOW_LAUNCHER_INSTALL=$INSTALL
 export DYNAWO_RESOURCES_DIR=$DYNAWO_HOME/share:$DYNAWO_HOME/share/xsd
 export DYNAWO_DICTIONARIES=dictionaries_mapping
diff --git a/sources/main.cpp b/sources/main.cpp
index c36bed2c..28564bc1 100644
--- a/sources/main.cpp
+++ b/sources/main.cpp
@@ -41,7 +41,7 @@ static inline std::string getMandatoryEnvVar(const std::string &key) {
 static void initializeDynawo(const std::string &locale) {
   DYN::IoDicos &dicos = DYN::IoDicos::instance();
   dicos.addPath(getMandatoryEnvVar("DYNAWO_RESOURCES_DIR"));
-  dicos.addDicos(getMandatoryEnvVar("DYNAWO_DICTIONARIES"));
+  dicos.addDicos(getMandatoryEnvVar("DYNAWO_DICTIONARIES"), locale);
   dicos.addDico("DFLLOG", "DFLLog", locale);
   dicos.addDico("DFLERROR", "DFLError", locale);
 }