diff --git a/CHANGELOG.md b/CHANGELOG.md
index 145fcc6..19ef66c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -126,6 +126,7 @@ Categories Used:
 - Fix wrong archive format detection patterns [\#125](https://github.com/ouch-org/ouch/pull/125) ([SpyrosRoum](https://github.com/SpyrosRoum))
 - Decompressing file without extension gives bad error message [\#137](https://github.com/ouch-org/ouch/issues/137) ([marcospb19](https://github.com/marcospb19))
 - Fix decompression overwritting files without asking and failing on directories [\#141](https://github.com/ouch-org/ouch/pull/141) ([SpyrosRoum](https://github.com/SpyrosRoum))
+- Fix incorrect warnings for decompression [\#270](https://github.com/ouch-org/ouch/pull/270) ([figsoda](https://github.com/figsoda))
 
 ### Improvements
 
diff --git a/src/commands/mod.rs b/src/commands/mod.rs
index 133d14e..9236a25 100644
--- a/src/commands/mod.rs
+++ b/src/commands/mod.rs
@@ -381,7 +381,10 @@ fn check_mime_type(
             // File ending with extension
             // Try to detect the extension and warn the user if it differs from the written one
             let outer_ext = format.iter().next_back().unwrap();
-            if outer_ext != &detected_format {
+            if !outer_ext
+                .compression_formats
+                .ends_with(detected_format.compression_formats)
+            {
                 warning!(
                     "The file extension: `{}` differ from the detected extension: `{}`",
                     outer_ext,