diff --git a/src/Validator/Rules/PossibleFragmentSpreads.php b/src/Validator/Rules/PossibleFragmentSpreads.php
index 3e7332e..37a24dc 100644
--- a/src/Validator/Rules/PossibleFragmentSpreads.php
+++ b/src/Validator/Rules/PossibleFragmentSpreads.php
@@ -61,7 +61,13 @@ class PossibleFragmentSpreads extends AbstractValidationRule
     private function getFragmentType(ValidationContext $context, $name)
     {
         $frag = $context->getFragment($name);
-        return $frag ? TypeInfo::typeFromAST($context->getSchema(), $frag->typeCondition) : null;
+        if ($frag) {
+            $type = TypeInfo::typeFromAST($context->getSchema(), $frag->typeCondition);
+            if ($type instanceof CompositeType) {
+                return $type;
+            }
+        }
+        return null;
     }
 
     private function doTypesOverlap(Schema $schema, CompositeType $fragType, CompositeType $parentType)
diff --git a/tests/Validator/PossibleFragmentSpreadsTest.php b/tests/Validator/PossibleFragmentSpreadsTest.php
index d186157..a3139de 100644
--- a/tests/Validator/PossibleFragmentSpreadsTest.php
+++ b/tests/Validator/PossibleFragmentSpreadsTest.php
@@ -128,6 +128,17 @@ class PossibleFragmentSpreadsTest extends TestCase
         ');
     }
 
+    /**
+     * @it ignores incorrect type (caught by FragmentsOnCompositeTypes)
+     */
+    public function testIgnoresIncorrectTypeCaughtByFragmentsOnCompositeTypes()
+    {
+        $this->expectPassesRule(new PossibleFragmentSpreads, '
+      fragment petFragment on Pet { ...badInADifferentWay }
+      fragment badInADifferentWay on String { name }
+        ');
+    }
+
     /**
      * @it different object into object
      */