diff --git a/glm/core/type_vec1.inl b/glm/core/type_vec1.inl
index 735d4c0c..17943437 100644
--- a/glm/core/type_vec1.inl
+++ b/glm/core/type_vec1.inl
@@ -77,7 +77,7 @@ namespace detail
 	GLM_FUNC_QUALIFIER tvec1<T, P>::tvec1(std::initializer_list<U> const & v) :
 		x(static_cast<T>(v.begin()[0]))
 	{
-		assert(v.size() >= this->length());
+		assert(v.size() == this->length());
 	}
 #endif//GLM_HAS_INITIALIZER_LISTS
 
diff --git a/glm/core/type_vec2.inl b/glm/core/type_vec2.inl
index 339d46bb..3c95d5eb 100644
--- a/glm/core/type_vec2.inl
+++ b/glm/core/type_vec2.inl
@@ -81,7 +81,7 @@ namespace detail
 		x(static_cast<T>(v.begin()[0])),
 		y(static_cast<T>(v.begin()[1]))
 	{
-		assert(v.size() >= this->length());
+		assert(v.size() == this->length());
 	}
 #endif//GLM_HAS_INITIALIZER_LISTS
 
diff --git a/glm/core/type_vec3.inl b/glm/core/type_vec3.inl
index 5ccb1e37..8a0babb7 100644
--- a/glm/core/type_vec3.inl
+++ b/glm/core/type_vec3.inl
@@ -85,7 +85,7 @@ namespace detail
 		y(static_cast<T>(v.begin()[1])),
 		z(static_cast<T>(v.begin()[2]))
 	{
-		assert(v.size() >= this->length());
+		assert(v.size() == this->length());
 	}
 #endif//GLM_HAS_INITIALIZER_LISTS
 
diff --git a/glm/core/type_vec4.inl b/glm/core/type_vec4.inl
index 6ea27f71..71371d75 100644
--- a/glm/core/type_vec4.inl
+++ b/glm/core/type_vec4.inl
@@ -89,7 +89,7 @@ namespace detail
 		z(static_cast<T>(v.begin()[2])),
 		w(static_cast<T>(v.begin()[3]))
 	{
-		assert(v.size() >= this->length());
+		assert(v.size() == this->length());
 	}
 #endif//GLM_HAS_INITIALIZER_LISTS
 
diff --git a/glm/gtc/quaternion.inl b/glm/gtc/quaternion.inl
index a824f7bd..82c9416c 100644
--- a/glm/gtc/quaternion.inl
+++ b/glm/gtc/quaternion.inl
@@ -92,7 +92,7 @@ namespace detail
 		z(static_cast<T>(l.begin()[2])),
 		w(static_cast<T>(l.begin()[3]))
 	{
-		assert(l.size() >= this->length());
+		assert(l.size() == this->length());
 	}
 #endif//GLM_HAS_INITIALIZER_LISTS