diff --git a/bin/3.1_create_gtf/Modules/Ensembl/GTFGen.py b/bin/3.1_create_gtf/Modules/Ensembl/GTFGen.py
index db37811..b6558c0 100644
--- a/bin/3.1_create_gtf/Modules/Ensembl/GTFGen.py
+++ b/bin/3.1_create_gtf/Modules/Ensembl/GTFGen.py
@@ -96,7 +96,7 @@ def generate_additional_information(gene_id, activity):
 
         activity_string = 'activity "'+', '.join(activity)+'"'
 
-        return gene_id+'; '+activity_string
+        return gene_id+'; '+activity_string+';'
 
     def generate_activity_list(self, activity, index):
 
diff --git a/bin/3.1_create_gtf/Modules/ucsc/ucsc.py b/bin/3.1_create_gtf/Modules/ucsc/ucsc.py
index 486dbc4..50c033b 100644
--- a/bin/3.1_create_gtf/Modules/ucsc/ucsc.py
+++ b/bin/3.1_create_gtf/Modules/ucsc/ucsc.py
@@ -67,7 +67,7 @@ def read_gff_to_gtf(self):
                 sequence.append(".")
                 sequence.append(row[5])
                 sequence.append(".")
-                sequence.append('; '.join([self.find_ID(''.join(row[11:])), 'activity \"'+", ".join(self.get_activity(''.join(row[11:]))) + '"']))
+                sequence.append('; '.join([self.find_ID(''.join(row[11:])), 'activity \"'+", ".join(self.get_activity(''.join(row[11:]))) + '"'])+";")
                 gtf_lines.append(sequence)
 
             return gtf_lines