diff --git a/Test/baseResults/400.frag.out b/Test/baseResults/400.frag.out
index b620b144c..a7c9ba49e 100644
--- a/Test/baseResults/400.frag.out
+++ b/Test/baseResults/400.frag.out
@@ -308,11 +308,11 @@ ERROR: node is still EOpNull!
 0:95          'u1' (temp uint)
 0:99      move second child to first child (temp double)
 0:99        'd' (temp double)
-0:99        PackUnorm4x8 (global double)
+0:99        PackDouble2x32 (global double)
 0:99          'u2' (temp 2-component vector of uint)
 0:100      move second child to first child (temp 2-component vector of uint)
 0:100        'u2' (temp 2-component vector of uint)
-0:100        UnpackUnorm4x8 (global 2-component vector of uint)
+0:100        UnpackDouble2x32 (global 2-component vector of uint)
 0:100          'd' (temp double)
 0:117  Function Definition: interp( (global void)
 0:117    Function Parameters: 
@@ -797,11 +797,11 @@ ERROR: node is still EOpNull!
 0:95          'u1' (temp uint)
 0:99      move second child to first child (temp double)
 0:99        'd' (temp double)
-0:99        PackUnorm4x8 (global double)
+0:99        PackDouble2x32 (global double)
 0:99          'u2' (temp 2-component vector of uint)
 0:100      move second child to first child (temp 2-component vector of uint)
 0:100        'u2' (temp 2-component vector of uint)
-0:100        UnpackUnorm4x8 (global 2-component vector of uint)
+0:100        UnpackDouble2x32 (global 2-component vector of uint)
 0:100          'd' (temp double)
 0:117  Function Definition: interp( (global void)
 0:117    Function Parameters: 
diff --git a/glslang/Include/revision.h b/glslang/Include/revision.h
index 3d84f80d0..4c5b5cb2b 100644
--- a/glslang/Include/revision.h
+++ b/glslang/Include/revision.h
@@ -2,5 +2,5 @@
 // For the version, it uses the latest git tag followed by the number of commits.
 // For the date, it uses the current date (when then script is run).
 
-#define GLSLANG_REVISION "SPIRV99.823"
+#define GLSLANG_REVISION "SPIRV99.824"
 #define GLSLANG_DATE "06-Dec-2015"
diff --git a/glslang/MachineIndependent/Initialize.cpp b/glslang/MachineIndependent/Initialize.cpp
index c7f05b5ad..d05a67312 100644
--- a/glslang/MachineIndependent/Initialize.cpp
+++ b/glslang/MachineIndependent/Initialize.cpp
@@ -3279,8 +3279,8 @@ void IdentifyBuiltIns(int version, EProfile profile, int spv, EShLanguage langua
     symbolTable.relateToOperator("packUnorm4x8",    EOpPackUnorm4x8);
     symbolTable.relateToOperator("unpackUnorm4x8",  EOpUnpackUnorm4x8);
 
-    symbolTable.relateToOperator("packDouble2x32",    EOpPackUnorm4x8);
-    symbolTable.relateToOperator("unpackDouble2x32",  EOpUnpackUnorm4x8);
+    symbolTable.relateToOperator("packDouble2x32",    EOpPackDouble2x32);
+    symbolTable.relateToOperator("unpackDouble2x32",  EOpUnpackDouble2x32);
 
     symbolTable.relateToOperator("packHalf2x16",    EOpPackHalf2x16);
     symbolTable.relateToOperator("unpackHalf2x16",  EOpUnpackHalf2x16);