diff --git a/rokae/aio/aio.py b/rokae/aio/aio.py
index 690085f..8bb06cc 100644
--- a/rokae/aio/aio.py
+++ b/rokae/aio/aio.py
@@ -215,6 +215,7 @@ class App(customtkinter.CTk):
 
     def write2textbox(self, text, wait=0, exitcode=0):
         if wait != 0:
+            self.textbox.configure(text_color='blue')
             self.textbox.insert(index='end', text=text)
             self.textbox.update()
             self.textbox.see('end')
@@ -225,6 +226,7 @@ class App(customtkinter.CTk):
             self.textbox.see('end')
             raise Exception(f"Error code: {exitcode}")
         else:
+            self.textbox.configure(text_color='blue')
             self.textbox.insert(index='end', text=text + '\n')
             self.textbox.update()
             self.textbox.see('end')
diff --git a/rokae/aio/brake.py b/rokae/aio/brake.py
index e7b836b..bdfce1d 100644
--- a/rokae/aio/brake.py
+++ b/rokae/aio/brake.py
@@ -226,7 +226,7 @@ def find_row_start(data_file, df, conditions, av, rr, axis, vel, w2t, rpm):
 
     threshold, step = get_threshold_step(data_file, axis)
     while row_start > step+1:
-        speed = df.iloc[row_start, vel-1] * rpm
+        speed = abs(df.iloc[row_start, vel-1] * rpm)
         if int(speed) < 1:
             row_start -= 50
             continue