diff --git a/poetry/console/commands/init.py b/poetry/console/commands/init.py
index 40388ff39f3..dbb1f153d4f 100644
--- a/poetry/console/commands/init.py
+++ b/poetry/console/commands/init.py
@@ -73,14 +73,11 @@ def handle(self):
             with (Path.cwd() / "pyproject.toml").open() as toml_file:
                 original_toml = tomlkit.loads(toml_file.read())
 
-                try:
-                    if original_toml["tool"]["poetry"]:
-                        self.line(
-                            "<error>A pyproject.toml file with a poetry section already exists.</error>"
-                        )
-                        return 1
-                except KeyError:
-                    pass
+                if original_toml.get("tool", {}).get("poetry"):
+                    self.line(
+                        "<error>A pyproject.toml file with a poetry section already exists.</error>"
+                    )
+                    return 1
 
                 if original_toml.get("build-system"):
                     self.line(
@@ -205,7 +202,7 @@ def handle(self):
             dev_dependencies=dev_requirements,
         )
 
-        content = layout_.generate_poetry_content()
+        content = layout_.generate_poetry_content(original_toml)
         if self.io.is_interactive():
             self.line("<info>Generated file</info>")
             self.line("")
@@ -220,10 +217,6 @@ def handle(self):
         with (Path.cwd() / "pyproject.toml").open("w", encoding="utf-8") as f:
             f.write(content)
 
-            if original_toml:
-                f.write("\n")
-                f.write(tomlkit.dumps(original_toml))
-
     def _determine_requirements(
         self, requires, allow_prereleases=False, source=None
     ):  # type: (List[str], bool) -> List[Dict[str, str]]
diff --git a/poetry/layouts/layout.py b/poetry/layouts/layout.py
index a7378c67c4c..dfe0db330ca 100644
--- a/poetry/layouts/layout.py
+++ b/poetry/layouts/layout.py
@@ -81,7 +81,7 @@ def create(self, path, with_tests=True):
 
         self._write_poetry(path)
 
-    def generate_poetry_content(self):
+    def generate_poetry_content(self, original_toml):
         template = POETRY_DEFAULT
         if self._license:
             template = POETRY_WITH_LICENSE
@@ -114,7 +114,12 @@ def generate_poetry_content(self):
 
         content.add("build-system", build_system)
 
-        return dumps(content)
+        content = dumps(content)
+
+        if original_toml:
+            content += "\n" + dumps(original_toml)
+
+        return content
 
     def _create_default(self, path, src=True):
         raise NotImplementedError()