diff --git a/tempest/vector/C3Vector.cpp b/tempest/vector/C3Vector.cpp
index ea08da7..8e222c2 100644
--- a/tempest/vector/C3Vector.cpp
+++ b/tempest/vector/C3Vector.cpp
@@ -28,3 +28,7 @@ C3Vector operator+(const C3Vector& l, const C3Vector& r) {
 
     return { x, y, z };
 }
+
+bool operator!=(const C3Vector& l, const C3Vector& r) {
+    return l.x != r.x || l.y != r.y || l.z != r.z;
+}
diff --git a/tempest/vector/C3Vector.hpp b/tempest/vector/C3Vector.hpp
index 2334ef9..49b3c9c 100644
--- a/tempest/vector/C3Vector.hpp
+++ b/tempest/vector/C3Vector.hpp
@@ -22,4 +22,6 @@ class C3Vector {
 
 C3Vector operator+(const C3Vector& l, const C3Vector& r);
 
+bool operator!=(const C3Vector& l, const C3Vector& r);
+
 #endif
diff --git a/test/Vector.cpp b/test/Vector.cpp
index 2ab6b04..54f6bca 100644
--- a/test/Vector.cpp
+++ b/test/Vector.cpp
@@ -109,4 +109,10 @@ TEST_CASE("C3Vector global operators", "[vector]") {
         REQUIRE(vector3.y == 7.0f);
         REQUIRE(vector3.z == 9.0f);
     }
+
+    SECTION("C3Vector != C3Vector") {
+        auto vector1 = C3Vector(1.0f, 2.0f, 3.0f);
+        auto vector2 = C3Vector(4.0f, 5.0f, 6.0f);
+        REQUIRE(vector1 != vector2);
+    }
 }