diff --git a/src/canonmn.cpp b/src/canonmn.cpp
index c9083cda..731b9859 100644
--- a/src/canonmn.cpp
+++ b/src/canonmn.cpp
@@ -69,6 +69,9 @@ namespace Exiv2 {
     std::ostream& printCsLensByFocalLengthTC(std::ostream& os,
                                            const Value& value,
                                            const ExifData* metadata);
+    std::ostream& printCsLensFFFF(std::ostream& os,
+                                  const Value& value,
+                                  const ExifData* metadata);
 
     //! ModelId, tag 0x0010
     extern const TagDetails canonModelId[] = {
@@ -990,7 +993,9 @@ namespace Exiv2 {
         { 250, printCsLensByFocalLength }, // not tested
         { 255, printCsLensByFocalLength }, // not tested
         { 493, printCsLensByFocalLength }, // not tested
-        { 4143,printCsLensByFocalLength }  // not tested
+        { 4143,printCsLensByFocalLength }, // not tested
+        { 4154,printCsLensByFocalLength }, // not tested
+       {0xffff,printCsLensFFFF          }
     };
 
     //! FlashActivity, tag 0x001c
@@ -1391,8 +1396,8 @@ namespace Exiv2 {
     //! Tone Curve Values
     extern const TagDetails canonToneCurve[] = {
         { 0, N_("Standard") },
-	{ 1, N_("Manual")   },
-	{ 2, N_("Custom")   }
+        { 1, N_("Manual")   },
+        { 2, N_("Custom")   }
     };
 
     //! Sharpness Frequency Values
@@ -1575,6 +1580,23 @@ namespace Exiv2 {
         return os;
     }
 
+    std::ostream& printCsLensFFFF(std::ostream& os,
+                                const Value& value,
+                                const ExifData* metadata)
+    {
+        try {
+            # 1140
+            if( metadata->findKey(ExifKey("Exif.Image.Model"          ))->value().toString() == "Canon EOS 30D"
+            &&  metadata->findKey(ExifKey("Exif.CanonCs.Lens"         ))->value().toString() == "24 24 1"
+            &&  metadata->findKey(ExifKey("Exif.Photo.FocalLength"    ))->value().toString() == "24/1"
+            ){
+                return os << "Canon EF-S 24mm f/2.8 STM" ;
+            }
+        } catch (std::exception& e) {};
+
+        return EXV_PRINT_TAG(canonCsLensType)(os, value, metadata);
+    }
+
     //! Helper structure
     struct LensTypeAndFocalLengthAndMaxAperture {
         long        lensType_;                  //!< Lens type
diff --git a/test/bugfixes-test.sh b/test/bugfixes-test.sh
index b799a305..b110e961 100755
--- a/test/bugfixes-test.sh
+++ b/test/bugfixes-test.sh
@@ -448,6 +448,13 @@ source ./functions.source
 	runTest exiv2 -PkV --grep GPSL http://dev.exiv2.org/attachments/download/805/DSC_7154.jpg | runTest exiv2 -m- $filename
 	runTest exiv2 -pa $filename
 
+	num=1140
+	filename=exiv2-bug$num.exv
+	printf "$num " >&3
+	echo '------>' Bug $num '<-------' >&2
+	copyTestFile                        $filename
+	runTest exiv2 -pv -g Lens           $filename
+
 
 ) 3>&1 > $results 2>&1
 
diff --git a/test/data/bugfixes-test.out b/test/data/bugfixes-test.out
index e9ab4e85..d6890339 100644
Binary files a/test/data/bugfixes-test.out and b/test/data/bugfixes-test.out differ
diff --git a/test/data/exiv2-bug1140.exv b/test/data/exiv2-bug1140.exv
new file mode 100644
index 00000000..c25f6e22
Binary files /dev/null and b/test/data/exiv2-bug1140.exv differ