diff --git a/glm/gtc/matrix_transform.inl b/glm/gtc/matrix_transform.inl
index 9801a2e1..377fe952 100644
--- a/glm/gtc/matrix_transform.inl
+++ b/glm/gtc/matrix_transform.inl
@@ -190,7 +190,7 @@ namespace glm
 		T bottom, T top
 	)
 	{
-		tmat4x4<T, defaultp> Result(1);
+		tmat4x4<T, defaultp> Result(T(1));
 		Result[0][0] = static_cast<T>(2) / (right - left);
 		Result[1][1] = static_cast<T>(2) / (top - bottom);
 		Result[2][2] = - static_cast<T>(1);
diff --git a/glm/gtx/transform.inl b/glm/gtx/transform.inl
index fc228ce8..debcb06e 100644
--- a/glm/gtx/transform.inl
+++ b/glm/gtx/transform.inl
@@ -8,7 +8,7 @@ namespace glm
 		tvec3<T, P> const & v)
 	{
 		return translate(
-			tmat4x4<T, P>(1.0f), v);
+			tmat4x4<T, P>(T(1)), v);
 	}
 
 	template <typename T, precision P>