diff --git a/Modules/Wrappers/CommandLine/src/otbWrapperCommandLineLauncher.cxx b/Modules/Wrappers/CommandLine/src/otbWrapperCommandLineLauncher.cxx
index 0a5b64f702d3576fb160c2a442ca7b0a141ba7ac..fc529ef9e1bd713d380c9766ba1189ace1af51f5 100644
--- a/Modules/Wrappers/CommandLine/src/otbWrapperCommandLineLauncher.cxx
+++ b/Modules/Wrappers/CommandLine/src/otbWrapperCommandLineLauncher.cxx
@@ -425,6 +425,7 @@ CommandLineLauncher::ParamResultType CommandLineLauncher::LoadParameters()
             type == ParameterType_Int ||
             type == ParameterType_Radius ||
             type == ParameterType_Directory ||
+            type == ParameterType_String ||
             type == ParameterType_InputFilename ||
             type == ParameterType_OutputFilename ||
             type == ParameterType_ComplexInputImage ||