That was a poor decision on my part.

Meaning

Acknowledging a bad decision.

Examples

• John: Why did the project fail?
• Alice: <b>That was a poor decision on my part</b>. I should have consulted the team earlier.
• John: It's okay. Everyone makes mistakes.
• Alice: I know, but I still feel responsible. Yes, <b>that was a poor decision on my part</b>.