diff --git a/src/convert_emd/drawing.py b/src/convert_emd/drawing.py
index bbc393f..5619a8e 100644
--- a/src/convert_emd/drawing.py
+++ b/src/convert_emd/drawing.py
@@ -103,7 +103,7 @@ def convert_emd(file_name, data, output_type, scale_bar, sb_color, sb_x_start, s
                     plt.margins = (0, 0)
                     plt.axis("off")
                     if scale_bar == True:
-                        plt.savefig(output_name + title + "_" + str(split_frame[i])[:5] + split_unit + "_" + sb_text + output_type)
+                        plt.savefig(output_name + title + "_" + str(split_frame[i])[:5] + split_unit + sb_text + output_type)
                     else:
                         plt.savefig(output_name + title + "_" + str(split_frame[i])[:5] + split_unit + output_type)
                     plt.close()