diff --git a/src/simple_config_parser/simple_config_parser.py b/src/simple_config_parser/simple_config_parser.py
index 13256eb..2b6413d 100644
--- a/src/simple_config_parser/simple_config_parser.py
+++ b/src/simple_config_parser/simple_config_parser.py
@@ -192,11 +192,24 @@ class SimpleConfigParser:
         self.config[section] = {"_raw": f"[{section}]\n"}
 
     def _check_set_section_spacing(self):
-        prev_section: str = self.get_sections()[-1]
-        prev_section_content: Dict = self.config[prev_section]
-        last_item: str = list(prev_section_content.keys())[-1]
-        if last_item.startswith("#_") and prev_section_content[last_item][-1] != "\n":
-            prev_section_content[last_item].append("\n")
+        prev_section_name: str = self.get_sections()[-1]
+        prev_section_content: Dict = self.config[prev_section_name]
+        last_option_name: str = list(prev_section_content.keys())[-1]
+
+        if last_option_name.startswith("#_"):
+            last_elem: str = prev_section_content[last_option_name][-1]
+
+            # if the last section is a collector, we first check if the last element
+            # in the collector ends with a newline. if it does not, we append a newline.
+            # this can happen if the config file does not end with a newline.
+            if not last_elem.endswith("\n"):
+                last_elem = f"{last_elem}\n"
+
+            # if the last item in a collector is not a newline, we append a newline, so
+            # that the new section is seperated from the options of the previous section
+            # by a newline
+            if last_elem != "\n":
+                prev_section_content[last_option_name].append("\n")
         else:
             prev_section_content[self._generate_rand_id()] = ["\n"]