diff --git a/glm/gtc/packing.inl b/glm/gtc/packing.inl
index df744b2f..7333ef86 100644
--- a/glm/gtc/packing.inl
+++ b/glm/gtc/packing.inl
@@ -618,7 +618,7 @@ namespace detail
 		float const MaxColor = max(Color.x, max(Color.y, Color.z));
 
 		float const ExpSharedP = max(-15.f - 1.f, floor(log2(MaxColor))) + 1.0f + 15.f;
-		float const MaxShared = floor(MaxColor / pow(2.0f, (ExpSharedP - 16.f - 9.f)) + 0.5f);
+		float const MaxShared = floor(MaxColor / pow(2.0f, (ExpSharedP - 15.f - 9.f)) + 0.5f);
 		float const ExpShared = MaxShared == pow(2.0f, 9.0f) ? ExpSharedP + 1.0f : ExpSharedP;
 
 		uvec3 const ColorComp(floor(Color / pow(2.f, (ExpShared - 15.f - 9.f)) + 0.5f));
diff --git a/readme.md b/readme.md
index b6fe113a..dd54cd12 100644
--- a/readme.md
+++ b/readme.md
@@ -88,6 +88,7 @@ glm::mat4 camera(float Translate, glm::vec2 const & Rotate)
 ### [GLM 0.9.8.5](https://github.com/g-truc/glm/tree/0.9.8) - 2017-0X-XX
 #### Fixes:
 - Fixed Clang version detection from source #608
+- Fixed packF3x9_E1x5 exponent packing #614
 
 ---
 ### [GLM 0.9.8.4](https://github.com/g-truc/glm/releases/tag/0.9.8.4) - 2017-01-22