diff --git a/aider/coder.py b/aider/coder.py
index f74799ac4..c1275ec17 100755
--- a/aider/coder.py
+++ b/aider/coder.py
@@ -461,14 +461,11 @@ class Coder:
 
         return commit_message
 
-    def get_diffs(self, *final_args):
-        args = ["HEAD"]
+    def get_diffs(self, *args):
         if self.pretty:
-            args += ["--color"]
-        args += final_args
+            args = ["--color"] + list(args)
 
         diffs = self.repo.git.diff(*args)
-
         return diffs
 
     def commit(self, history=None, prefix=None, ask=False, message=None, which="chat_files"):
@@ -496,7 +493,7 @@ class Coder:
                 if not current_branch_commit_count:
                     continue
 
-                these_diffs = self.get_diffs("--", relative_fname)
+                these_diffs = self.get_diffs("HEAD", "--", relative_fname)
 
                 if these_diffs:
                     diffs += these_diffs + "\n"
diff --git a/aider/commands.py b/aider/commands.py
index 95af6958f..dad0de4f5 100644
--- a/aider/commands.py
+++ b/aider/commands.py
@@ -131,10 +131,6 @@ class Commands:
 
         commits = f"{self.coder.last_aider_commit_hash}~1"
         diff = self.coder.get_diffs(commits, self.coder.last_aider_commit_hash)
-        if self.coder.pretty:
-            diff = self.coder.repo.git.diff(commits, "--color", self.coder.last_aider_commit_hash)
-        else:
-            diff = self.coder.repo.git.diff(commits, self.coder.last_aider_commit_hash)
 
         # don't use io.tool() because we don't want to log or further colorize
         print(diff)