diff --git a/glm/gtx/integer.inl b/glm/gtx/integer.inl
index 2f2535b4..14e6afa9 100644
--- a/glm/gtx/integer.inl
+++ b/glm/gtx/integer.inl
@@ -60,10 +60,8 @@ namespace _detail
 		template <typename T>
 		GLM_FUNC_QUALIFIER T operator() (T const & Value) const
 		{
-#if(GLM_COMPILER & GLM_COMPILER_VC)
+#if(GLM_COMPILER & (GLM_COMPILER_VC | GLM_COMPILER_GCC))
 			return Value <= T(1) ? T(0) : T(32) - nlz(Value - T(1));
-#elif(GLM_COMPILER & GLM_COMPILER_GCC)
-			return Value <= T(1) ? T(0) : nlz(Value - T(1)) + 1;
 #else
 			return T(32) - nlz(Value - T(1));
 #endif