diff --git a/glm/detail/func_common.inl b/glm/detail/func_common.inl
index 539c3491..8b2d0b02 100644
--- a/glm/detail/func_common.inl
+++ b/glm/detail/func_common.inl
@@ -640,7 +640,7 @@ namespace detail
 #			elif (GLM_COMPILER & (GLM_COMPILER_GCC | GLM_COMPILER_CLANG)) && (GLM_PLATFORM & GLM_PLATFORM_ANDROID) && __cplusplus < 201103L
 				return _isnan(x) != 0;
 #			elif GLM_COMPILER & GLM_COMPILER_CUDA
-				return isnan(x) != 0;
+				return ::isnan(x) != 0;
 #			else
 				return std::isnan(x);
 #			endif
@@ -682,7 +682,7 @@ namespace detail
 #				endif
 #			elif GLM_COMPILER & GLM_COMPILER_CUDA
 				// http://developer.download.nvidia.com/compute/cuda/4_2/rel/toolkit/docs/online/group__CUDA__MATH__DOUBLE_g13431dd2b40b51f9139cbb7f50c18fab.html#g13431dd2b40b51f9139cbb7f50c18fab
-				return isinf(double(x)) != 0;
+				return ::isinf(double(x)) != 0;
 #			else
 				return std::isinf(x);
 #			endif
diff --git a/readme.md b/readme.md
index 29c01044..051d4890 100644
--- a/readme.md
+++ b/readme.md
@@ -110,6 +110,7 @@ glm::mat4 camera(float Translate, glm::vec2 const& Rotate)
 - Fixed quaternion constructor from two vectors special cases #469
 - Fixed glm::to_string on quaternions wrong components order #681
 - Fixed acsch #698
+- Fixed isnan on CUDA #727
 
 #### Deprecation:
 - Requires Visual Studio 2013, GCC 4.7, Clang 3.4, Cuda 7, ICC 2013 or a C++11 compiler