diff --git a/src/hic_TAD_caller/create_TAD_HiC_files/calling_tads.py b/src/hic_TAD_caller/create_TAD_HiC_files/calling_tads.py
index 7f1997388205ea04b399321990fede9e7fffcd40..1c7750ddc6ae8b40183b27393b730ae6a0ad300d 100644
--- a/src/hic_TAD_caller/create_TAD_HiC_files/calling_tads.py
+++ b/src/hic_TAD_caller/create_TAD_HiC_files/calling_tads.py
@@ -149,7 +149,7 @@ def check_n_save_bed(bed_file: Path, name_file: str, resolution: int) -> Path:
     df = data[["chr1", "x1", "x2"]].copy()
     new_name = name_file.replace("_grch38.hic", "")
     df.sort_values(["chr1", "x1"], ascending=True, inplace=True)
-    df["chr1"] = "chr" + df["chr1"]
+    df["chr1"] = "chr" + df["chr1"].astype(str)
     df["name"] = [f"{new_name}_{x + 1}" for x in range(df.shape[0])]
     df["score"] = ["."] * df.shape[0]
     df["strand"] = ["+"] * df.shape[0]
@@ -157,17 +157,15 @@ def check_n_save_bed(bed_file: Path, name_file: str, resolution: int) -> Path:
     return outfile
 
 
-def liftover(tad_file: Path, resolution: int) -> Path:
+def liftover(tad_file: Path) -> Path:
     """
     LiftOver tads.
 
     :param tad_file: A simplified TAD file produced from ArrowHead
-    :param resolution: The resolution of interest
     :return: The bed file containing TAD with hg19 coordinates
     """
     ConfigHiC.lost_folder.mkdir(exist_ok=True, parents=True)
-    outfile = tad_file.parents[1] / \
-              f"{resolution}_{tad_file.name.replace('grch38', 'hg19')}"
+    outfile = tad_file.parents[1] / tad_file.name.replace('grch38', 'hg19')
     if not outfile.is_file():
         lost_file = ConfigHiC.lost_folder / outfile.name.replace(".bed",
                                                                  "_lost.bed")
@@ -199,10 +197,10 @@ def process_hic_files(exp_table: pd.DataFrame,
             logging.info("    Reformating TADs")
             tad_file = check_n_save_bed(tad_file, hic_file.name, resolution)
             logging.info("    LiftOver TADs")
-            liftover_file = liftover(tad_file, resolution)
+            liftover_file = liftover(tad_file)
             logging.info("    Creating communities")
             final_file = liftover_file.parent / \
-                         f"communities_{resolution}_{liftover_file.name}"
+                         f"communities_{liftover_file.name}"
             targeted_tad_to_communities(str(liftover_file),  str(final_file),
                                         "gene")