diff --git a/readme.txt b/readme.txt
index cd2bb67d..fec7dd1c 100644
--- a/readme.txt
+++ b/readme.txt
@@ -66,7 +66,7 @@ http://glm.g-truc.net/glm.pdf
 GLM 0.9.6.1: 2014-12-XX
 --------------------------------------------------------------------------------
 Fixes:
-- Fixed uaddCarry error for Cuda build #276
+- Fixed scalar uaddCarry build error with Cuda #276
 
 ================================================================================
 GLM 0.9.6.0: 2014-11-30
diff --git a/test/gtc/gtc_integer.cpp b/test/gtc/gtc_integer.cpp
index b306b843..7c2099bd 100644
--- a/test/gtc/gtc_integer.cpp
+++ b/test/gtc/gtc_integer.cpp
@@ -67,6 +67,18 @@ namespace log2_
 		Error += glm::all(glm::equal(D0, D1)) ? 0 : 1;
 		Error += glm::all(glm::equal(E0, E1)) ? 0 : 1;
 
+		glm::uint64 A2 = glm::log2(glm::uint64(10.f));
+		glm::u64vec1 B2 = glm::log2(glm::u64vec1(10.f));
+		glm::u64vec2 C2 = glm::log2(glm::u64vec2(10.f));
+		glm::u64vec3 D2 = glm::log2(glm::u64vec3(10.f));
+		glm::u64vec4 E2 = glm::log2(glm::u64vec4(10.f));
+
+		Error += A2 == glm::uint64(1) ? 0 : 1;
+		Error += glm::all(glm::equal(B2, glm::u64vec1(1))) ? 0 : 1;
+		Error += glm::all(glm::equal(C2, glm::u64vec2(1))) ? 0 : 1;
+		Error += glm::all(glm::equal(D2, glm::u64vec3(1))) ? 0 : 1;
+		Error += glm::all(glm::equal(E2, glm::u64vec4(1))) ? 0 : 1;
+
 		return Error;
 	}