diff --git a/nextflow_schema.json b/nextflow_schema.json
index f2283d9..56bcaaf 100644
--- a/nextflow_schema.json
+++ b/nextflow_schema.json
@@ -179,8 +179,9 @@
                 "generate_pipeline_samplesheets": {
                     "type": "string",
                     "default": "taxprofiler",
-                    "description": "Specify a comma separated string in quotes to specify which pipeline to generate a samplesheet for. Currently supported pipeline(s): taxprofiler",
-                    "fa_icon": "fas fa-toolbox"
+                    "description": "Specify a comma separated string in quotes to specify which pipeline to generate a samplesheet for.",
+                    "fa_icon": "fas fa-toolbox",
+                    "pattern": "^(taxprofiler)(?:,(taxprofiler)){0,1}"
                 },
                 "generate_samplesheet_dbtype": {
                     "type": "string",
diff --git a/subworkflows/local/utils_nfcore_createtaxdb_pipeline/main.nf b/subworkflows/local/utils_nfcore_createtaxdb_pipeline/main.nf
index 3fba330..8b0d04e 100644
--- a/subworkflows/local/utils_nfcore_createtaxdb_pipeline/main.nf
+++ b/subworkflows/local/utils_nfcore_createtaxdb_pipeline/main.nf
@@ -141,11 +141,6 @@ def validateInputParameters() {
         error('[nf-core/createtaxdb] If supplying `--generate_downsteam_samplesheets`, you must also specify which pipeline to generate for with `--generate_pipeline_samplesheets! Check input.')
     }
 
-    def supported_samplesheets = ['taxprofiler']
-    if (params.generate_downstream_samplesheets && !params.generate_pipeline_samplesheets.split(",").every { it in supported_samplesheets }) {
-        error("[nf-core/createtaxdb] Unrecognised or unsupported pipeline selection for samplesheet generation. Options: ${supported_samplesheets.join(", ")}. Specified: --generate_pipeline_samplesheets ${params.generate_pipeline_samplesheets}")
-    }
-
     if (params.generate_downstream_samplesheets && !params.generate_tar_archive && params.generate_samplesheet_dbtype == 'tar') {
         error('[nf-core/createtaxdb] Supplied --generate_downstream_samplesheets with --generate_samplesheet_dbtype tar, but missing --generate_tar_archive (mandatory for tar archive output).')
     }