diff --git a/glm/detail/type_vec4.inl b/glm/detail/type_vec4.inl
index 9b35d0b1..c38f886b 100644
--- a/glm/detail/type_vec4.inl
+++ b/glm/detail/type_vec4.inl
@@ -744,7 +744,7 @@ namespace glm
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_DECL tvec4<T, P> operator-(tvec1<T, P> const & v1, tvec4<T, P> const & v2)
+	GLM_FUNC_QUALIFIER tvec4<T, P> operator-(tvec1<T, P> const & v1, tvec4<T, P> const & v2)
 	{
 		return tvec4<T, P>(
 			v1.x - v2.x,
@@ -794,7 +794,7 @@ namespace glm
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_DECL tvec4<T, P> operator*(tvec1<T, P> const & v1, tvec4<T, P> const & v2)
+	GLM_FUNC_QUALIFIER tvec4<T, P> operator*(tvec1<T, P> const & v1, tvec4<T, P> const & v2)
 	{
 		return tvec4<T, P>(
 			v1.x * v2.x,
@@ -844,7 +844,7 @@ namespace glm
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_DECL tvec4<T, P> operator/(tvec1<T, P> const & v1, tvec4<T, P> const & v2)
+	GLM_FUNC_QUALIFIER tvec4<T, P> operator/(tvec1<T, P> const & v1, tvec4<T, P> const & v2)
 	{
 		return tvec4<T, P>(
 			v1.x / v2.x,
diff --git a/readme.md b/readme.md
index ab4f1c34..c77476a7 100644
--- a/readme.md
+++ b/readme.md
@@ -57,6 +57,7 @@ glm::mat4 camera(float Translate, glm::vec2 const & Rotate)
 - Fixed roundPowerOfTwo and floorPowerOfTwo #503
 - Fixed Visual C++ SIMD instruction set automatic detection in 64 bits
 - Fixed to_string when used with GLM_FORCE_INLINE #506
+- Fixed GLM_FORCE_INLINE with binary vec4 operators
 
 #### [GLM 0.9.7.4](https://github.com/g-truc/glm/releases/tag/0.9.7.4) - 2016-03-19
 ##### Fixes: