diff --git a/src/Extension/CoreExtension.php b/src/Extension/CoreExtension.php
index 3c5d8d474..7c20f7312 100644
--- a/src/Extension/CoreExtension.php
+++ b/src/Extension/CoreExtension.php
@@ -989,7 +989,7 @@ function twig_compare($a, $b)
     }
 
     // fallback to <=>
-    return $b <=> $a;
+    return $a <=> $b;
 }
 
 /**
diff --git a/src/Node/Expression/Binary/GreaterBinary.php b/src/Node/Expression/Binary/GreaterBinary.php
index 635cf9607..f1af1275b 100644
--- a/src/Node/Expression/Binary/GreaterBinary.php
+++ b/src/Node/Expression/Binary/GreaterBinary.php
@@ -24,7 +24,7 @@ class GreaterBinary extends AbstractBinary
         }
 
         $compiler
-            ->raw('-1 === twig_compare(')
+            ->raw('1 === twig_compare(')
             ->subcompile($this->getNode('left'))
             ->raw(', ')
             ->subcompile($this->getNode('right'))
diff --git a/src/Node/Expression/Binary/GreaterEqualBinary.php b/src/Node/Expression/Binary/GreaterEqualBinary.php
index 76f33b78e..7d206f7c8 100644
--- a/src/Node/Expression/Binary/GreaterEqualBinary.php
+++ b/src/Node/Expression/Binary/GreaterEqualBinary.php
@@ -24,7 +24,7 @@ class GreaterEqualBinary extends AbstractBinary
         }
 
         $compiler
-            ->raw('0 >= twig_compare(')
+            ->raw('0 <= twig_compare(')
             ->subcompile($this->getNode('left'))
             ->raw(', ')
             ->subcompile($this->getNode('right'))
diff --git a/src/Node/Expression/Binary/LessBinary.php b/src/Node/Expression/Binary/LessBinary.php
index 1afb0f30a..e85193324 100644
--- a/src/Node/Expression/Binary/LessBinary.php
+++ b/src/Node/Expression/Binary/LessBinary.php
@@ -24,7 +24,7 @@ class LessBinary extends AbstractBinary
         }
 
         $compiler
-            ->raw('1 === twig_compare(')
+            ->raw('-1 === twig_compare(')
             ->subcompile($this->getNode('left'))
             ->raw(', ')
             ->subcompile($this->getNode('right'))
diff --git a/src/Node/Expression/Binary/LessEqualBinary.php b/src/Node/Expression/Binary/LessEqualBinary.php
index 5a08f33aa..dccaf31aa 100644
--- a/src/Node/Expression/Binary/LessEqualBinary.php
+++ b/src/Node/Expression/Binary/LessEqualBinary.php
@@ -24,7 +24,7 @@ class LessEqualBinary extends AbstractBinary
         }
 
         $compiler
-            ->raw('0 <= twig_compare(')
+            ->raw('0 >= twig_compare(')
             ->subcompile($this->getNode('left'))
             ->raw(', ')
             ->subcompile($this->getNode('right'))
diff --git a/tests/Extension/CoreTest.php b/tests/Extension/CoreTest.php
index ea5b6b040..61cf31c81 100644
--- a/tests/Extension/CoreTest.php
+++ b/tests/Extension/CoreTest.php
@@ -285,10 +285,10 @@ class CoreTest extends TestCase
 
             [0, '0', '0'],
             [0, '0', '0.0'],
-            [1, '0', 'foo'],
-            [-1, '0', ''],
+            [-1, '0', 'foo'],
+            [1, '0', ''],
             [0, '42', '   42'],
-            [1, '42', '42foo'],
+            [-1, '42', '42foo'],
 
             [0, 42, '000042'],
             [0, 42, '42.0'],
@@ -310,6 +310,10 @@ class CoreTest extends TestCase
             [0, -INF, '-INF'],
             [0, INF, '1e1000'],
             [0, -INF, '-1e1000'],
+
+            [-1, 10, 20],
+            [-1, '10', 20],
+            [-1, 10, '20'],
         ];
     }
 }