diff --git a/src/Symfony/Component/Inflector/Inflector.php b/src/Symfony/Component/Inflector/Inflector.php
index 461c5f6090..2d04a62a48 100644
--- a/src/Symfony/Component/Inflector/Inflector.php
+++ b/src/Symfony/Component/Inflector/Inflector.php
@@ -66,6 +66,9 @@ final class Inflector
         // movies (movie)
         ['seivom', 6, true, true, 'movie'],
 
+        // conspectuses (conspectus), prospectuses (prospectus)
+        ['sesutcep', 8, true, true, 'pectus'],
+
         // feet (foot)
         ['teef', 4, true, true, 'foot'],
 
@@ -269,6 +272,9 @@ final class Inflector
         // circuses (circus)
         ['suc', 3, true, true, 'cuses'],
 
+        // conspectuses (conspectus), prospectuses (prospectus)
+        ['sutcep', 6, true, true, 'pectuses'],
+
         // fungi (fungus), alumni (alumnus), syllabi (syllabus), radii (radius)
         ['su', 2, true, true, 'i'],
 
diff --git a/src/Symfony/Component/Inflector/Tests/InflectorTest.php b/src/Symfony/Component/Inflector/Tests/InflectorTest.php
index 62b3790fd3..047a9f9bf2 100644
--- a/src/Symfony/Component/Inflector/Tests/InflectorTest.php
+++ b/src/Symfony/Component/Inflector/Tests/InflectorTest.php
@@ -77,6 +77,7 @@ class InflectorTest extends TestCase
             ['focuses', ['focus', 'focuse', 'focusis']],
             ['formulae', 'formula'],
             ['formulas', 'formula'],
+            ['conspectuses', 'conspectus'],
             ['fungi', 'fungus'],
             ['funguses', ['fungus', 'funguse', 'fungusis']],
             ['garages', ['garag', 'garage']],
@@ -217,6 +218,7 @@ class InflectorTest extends TestCase
             ['focus', 'focuses'],
             ['foot', 'feet'],
             ['formula', 'formulas'], //formulae
+            ['conspectus', 'conspectuses'],
             ['fungus', 'fungi'],
             ['garage', 'garages'],
             ['goose', 'geese'],