diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a2d01b9c3..5e4c1a1ef7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add compatibility layer to allow `@middleware` to support Lumen https://github.com/nuwave/lighthouse/pull/786
 - Add option `decode` to `@globaldId` to control the result of decoding https://github.com/nuwave/lighthouse/pull/796
 
+### Fixed
+
+- Fix querying for falsy values through `@whereConstraints` https://github.com/nuwave/lighthouse/pull/800
+
 ## [3.6.1](https://github.com/nuwave/lighthouse/compare/v3.6.0...v3.6.1)
 
 ### Fixed
diff --git a/src/WhereConstraints/WhereConstraintsDirective.php b/src/WhereConstraints/WhereConstraintsDirective.php
index 1754cdc730..929aa01b9e 100644
--- a/src/WhereConstraints/WhereConstraintsDirective.php
+++ b/src/WhereConstraints/WhereConstraintsDirective.php
@@ -61,7 +61,7 @@ function ($builder) use ($notConnectedConstraints): void {
         }
 
         if ($column = $whereConstraints['column'] ?? null) {
-            if (! $value = $whereConstraints['value']) {
+            if (! isset($whereConstraints['value'])) {
                 throw new Error(
                     "Did not receive a value to match the WhereConstraints for column {$column}."
                 );
@@ -80,7 +80,7 @@ function ($builder) use ($notConnectedConstraints): void {
             $builder->{$where}(
                 $column,
                 $whereConstraints['operator'],
-                $value
+                $whereConstraints['value']
             );
         }
 
diff --git a/tests/Integration/WhereConstraints/WhereConstraintsDirectiveTest.php b/tests/Integration/WhereConstraints/WhereConstraintsDirectiveTest.php
index 3830501a37..8ff7a08b6a 100644
--- a/tests/Integration/WhereConstraints/WhereConstraintsDirectiveTest.php
+++ b/tests/Integration/WhereConstraints/WhereConstraintsDirectiveTest.php
@@ -173,7 +173,7 @@ public function itAddsNestedNot(): void
      */
     public function itRejectsInvalidColumnName(): void
     {
-        $result = $this->query('
+        $this->query('
         {
             users(
                 where: {
@@ -192,4 +192,39 @@ public function itRejectsInvalidColumnName(): void
             'message' => WhereConstraintsDirective::INVALID_COLUMN_MESSAGE,
         ]);
     }
+
+    /**
+     * @test
+     */
+    public function itQueriesEmptyStrings(): void
+    {
+        factory(User::class, 3)->create();
+
+        $userNamedEmptyString = factory(User::class)->create([
+            'name' => '',
+        ]);
+
+        $this->query('
+        {
+            users(
+                where: {
+                    column: "name"
+                    value: ""
+                }
+            ) {
+                id
+                name
+            }
+        }
+        ')->assertJson([
+            'data' => [
+                'users' => [
+                    [
+                        'id' => $userNamedEmptyString->id,
+                        'name' => $userNamedEmptyString->name,
+                    ],
+                ],
+            ],
+        ]);
+    }
 }