diff --git a/cleanup_script.py b/cleanup_script.py
index aa2b338..57cc7f2 100755
--- a/cleanup_script.py
+++ b/cleanup_script.py
@@ -56,15 +56,23 @@ class Company:
     def clean_complex(self, year: int, state: str) -> None:
         """Clean the complex data. This means earnings before/after tax."""
         try:
-            if f"Gewinn/(Verlust) {state} Steuern EUR {year}" in self.data.keys() and self.data[f"Gewinn/(Verlust) {state} Steuern EUR {year}"] != '' and not self.cleaned_data.get(f"gn{year}"):
+            if f"Gewinn/(Verlust) {state} Steuern EUR {year}" in self.data.keys() and self.data[f"Gewinn/(Verlust) {state} Steuern EUR {year}"] != '' and not self.cleaned_data.get(f"gn{year}") and self.cut_negative(state, int(self.data[f"Gewinn/(Verlust) {state} Steuern EUR {year}"])):
                 self.cleaned_data[f"g{self.get_suffix(state)}{year}"] = int(self.data[f"Gewinn/(Verlust) {state} Steuern EUR {year}"])
-            elif f"Gewinn/Verlust {state} Steuern EUR {year}" in self.data.keys() and self.data[f"Gewinn/Verlust {state} Steuern EUR {year}"] != '' and not self.cleaned_data.get(f"gn{year}"):
+            elif f"Gewinn/Verlust {state} Steuern EUR {year}" in self.data.keys() and self.data[f"Gewinn/Verlust {state} Steuern EUR {year}"] != '' and not self.cleaned_data.get(f"gn{year}") and self.cut_negative(state, int(self.data[f"Gewinn/(Verlust) {state} Steuern EUR {year}"])):
                 self.cleaned_data[f"g{self.get_suffix(state)}{year}"] = int(self.data[f"Gewinn/Verlust {state} Steuern EUR {year}"])
             else:
                 self.report.log.debug(f"{self.cleaned_data['name']}:g{self.get_suffix(state)}{year} empty value")
         except ValueError:
             self.report.log.debug(f"{self.cleaned_data['name']}: g{self.get_suffix(state)}{year} ValueError")
 
+    def cut_negative(self, state: str, gv: int) -> bool:
+        if state == "vor":
+            return False if gv < 0 else True
+        elif state == "nach":
+            return True
+        else:
+            raise Exception("IMPOSSIBLE STATE CN")
+
     def get_suffix(self, state: str) -> str:
         """Get suffix for the complex cleaning process."""
         return "n" if state == "nach" else "v"