diff --git a/dlls/d3dx9_36/shader.c b/dlls/d3dx9_36/shader.c
index 6ae0b37aa20..0dcb3a1793d 100644
--- a/dlls/d3dx9_36/shader.c
+++ b/dlls/d3dx9_36/shader.c
@@ -1261,7 +1261,8 @@ HRESULT WINAPI D3DXGetShaderConstantTableEx(CONST DWORD *byte_code,
         object->constants[i].desc.RegisterSet = constant_info[i].RegisterSet;
         object->constants[i].desc.RegisterIndex = constant_info[i].RegisterIndex;
         object->constants[i].desc.RegisterCount = constant_info[i].RegisterCount;
-        object->constants[i].desc.DefaultValue = object->ctab + constant_info[i].DefaultValue;
+        object->constants[i].desc.DefaultValue = constant_info[i].DefaultValue
+                ? object->ctab + constant_info[i].DefaultValue : NULL;
 
         hr = parse_ctab_constant_type((LPD3DXSHADER_TYPEINFO)(object->ctab + constant_info[i].TypeInfo),
              &object->constants[i]);
diff --git a/dlls/d3dx9_36/tests/shader.c b/dlls/d3dx9_36/tests/shader.c
index aa3ac1201ae..9a0346791fe 100644
--- a/dlls/d3dx9_36/tests/shader.c
+++ b/dlls/d3dx9_36/tests/shader.c
@@ -93,11 +93,11 @@ static const DWORD ctab_basic[] = {
     0x0000ffff};                                                            /* END                          */
 
 static const D3DXCONSTANT_DESC ctab_basic_expected[] = {
-    {"mvp", D3DXRS_FLOAT4, 0, 4, D3DXPC_MATRIX_COLUMNS, D3DXPT_FLOAT, 4, 4, 1, 0, 64, 0},
-    {"i",   D3DXRS_FLOAT4, 4, 1, D3DXPC_SCALAR,         D3DXPT_INT,   1, 1, 1, 0,  4, 0},
-    {"i4",  D3DXRS_FLOAT4, 5, 1, D3DXPC_VECTOR,         D3DXPT_INT,   1, 4, 1, 0, 16, 0},
-    {"f",   D3DXRS_FLOAT4, 6, 1, D3DXPC_SCALAR,         D3DXPT_FLOAT, 1, 1, 1, 0,  4, 0},
-    {"f4",  D3DXRS_FLOAT4, 7, 1, D3DXPC_VECTOR,         D3DXPT_FLOAT, 1, 4, 1, 0, 16, 0}};
+    {"mvp", D3DXRS_FLOAT4, 0, 4, D3DXPC_MATRIX_COLUMNS, D3DXPT_FLOAT, 4, 4, 1, 0, 64, NULL},
+    {"i",   D3DXRS_FLOAT4, 4, 1, D3DXPC_SCALAR,         D3DXPT_INT,   1, 1, 1, 0,  4, NULL},
+    {"i4",  D3DXRS_FLOAT4, 5, 1, D3DXPC_VECTOR,         D3DXPT_INT,   1, 4, 1, 0, 16, NULL},
+    {"f",   D3DXRS_FLOAT4, 6, 1, D3DXPC_SCALAR,         D3DXPT_FLOAT, 1, 1, 1, 0,  4, NULL},
+    {"f4",  D3DXRS_FLOAT4, 7, 1, D3DXPC_VECTOR,         D3DXPT_FLOAT, 1, 4, 1, 0, 16, NULL}};
 
 static const DWORD ctab_matrices[] = {
     0xfffe0300,                                                             /* vs_3_0                       */
@@ -118,9 +118,9 @@ static const DWORD ctab_matrices[] = {
     0x0000ffff};                                                            /* END                          */
 
 static const D3DXCONSTANT_DESC ctab_matrices_expected[] = {
-    {"fmatrix4x4", D3DXRS_FLOAT4, 0, 4, D3DXPC_MATRIX_COLUMNS, D3DXPT_FLOAT, 4, 4, 1, 0, 64, 0},
-    {"imatrix2x3", D3DXRS_FLOAT4, 4, 3, D3DXPC_MATRIX_ROWS,    D3DXPT_INT,   2, 3, 1, 0, 24, 0},
-    {"fmatrix3x1", D3DXRS_FLOAT4, 7, 1, D3DXPC_MATRIX_COLUMNS, D3DXPT_FLOAT, 3, 1, 1, 0, 12, 0}};
+    {"fmatrix4x4", D3DXRS_FLOAT4, 0, 4, D3DXPC_MATRIX_COLUMNS, D3DXPT_FLOAT, 4, 4, 1, 0, 64, NULL},
+    {"imatrix2x3", D3DXRS_FLOAT4, 4, 3, D3DXPC_MATRIX_ROWS,    D3DXPT_INT,   2, 3, 1, 0, 24, NULL},
+    {"fmatrix3x1", D3DXRS_FLOAT4, 7, 1, D3DXPC_MATRIX_COLUMNS, D3DXPT_FLOAT, 3, 1, 1, 0, 12, NULL}};
 
 static const DWORD ctab_arrays[] = {
     0xfffe0300,                                                             /* vs_3_0                       */
@@ -150,12 +150,12 @@ static const DWORD ctab_arrays[] = {
     0x0000ffff};                                                            /* END                          */
 
 static const D3DXCONSTANT_DESC ctab_arrays_expected[] = {
-    {"fmtxarray", D3DXRS_FLOAT4,  0, 8, D3DXPC_MATRIX_ROWS, D3DXPT_FLOAT, 4, 4, 2, 0, 128, 0},
-    {"farray",    D3DXRS_FLOAT4,  8, 4, D3DXPC_SCALAR,      D3DXPT_FLOAT, 1, 1, 4, 0,  16, 0},
-    {"fvecarray", D3DXRS_FLOAT4, 12, 2, D3DXPC_VECTOR,      D3DXPT_FLOAT, 1, 4, 2, 0,  32, 0},
-    {"barray",    D3DXRS_FLOAT4, 14, 2, D3DXPC_SCALAR,      D3DXPT_BOOL,  1, 1, 2, 0,   8, 0},
-    {"bvecarray", D3DXRS_FLOAT4, 16, 2, D3DXPC_VECTOR,      D3DXPT_BOOL,  1, 3, 3, 0,  36, 0},
-    {"ivecarray", D3DXRS_FLOAT4, 18, 1, D3DXPC_VECTOR,      D3DXPT_INT,   1, 4, 1, 0,  16, 0}};
+    {"fmtxarray", D3DXRS_FLOAT4,  0, 8, D3DXPC_MATRIX_ROWS, D3DXPT_FLOAT, 4, 4, 2, 0, 128, NULL},
+    {"farray",    D3DXRS_FLOAT4,  8, 4, D3DXPC_SCALAR,      D3DXPT_FLOAT, 1, 1, 4, 0,  16, NULL},
+    {"fvecarray", D3DXRS_FLOAT4, 12, 2, D3DXPC_VECTOR,      D3DXPT_FLOAT, 1, 4, 2, 0,  32, NULL},
+    {"barray",    D3DXRS_FLOAT4, 14, 2, D3DXPC_SCALAR,      D3DXPT_BOOL,  1, 1, 2, 0,   8, NULL},
+    {"bvecarray", D3DXRS_FLOAT4, 16, 2, D3DXPC_VECTOR,      D3DXPT_BOOL,  1, 3, 3, 0,  36, NULL},
+    {"ivecarray", D3DXRS_FLOAT4, 18, 1, D3DXPC_VECTOR,      D3DXPT_INT,   1, 4, 1, 0,  16, NULL}};
 
 static const DWORD ctab_samplers[] = {
     0xfffe0300,                                                             /* vs_3_0                        */
@@ -176,9 +176,9 @@ static const DWORD ctab_samplers[] = {
     0x0000ffff};                                                            /* END                           */
 
 static const D3DXCONSTANT_DESC ctab_samplers_expected[] = {
-    {"sampler1",   D3DXRS_SAMPLER, 0, 1, D3DXPC_OBJECT, D3DXPT_SAMPLER2D, 1, 1, 1, 0, 4,  0},
-    {"sampler2",   D3DXRS_SAMPLER, 3, 1, D3DXPC_OBJECT, D3DXPT_SAMPLER3D, 1, 1, 1, 0, 4,  0},
-    {"notsampler", D3DXRS_FLOAT4,  2, 1, D3DXPC_VECTOR, D3DXPT_FLOAT,     1, 4, 1, 0, 16, 0}};
+    {"sampler1",   D3DXRS_SAMPLER, 0, 1, D3DXPC_OBJECT, D3DXPT_SAMPLER2D, 1, 1, 1, 0, 4,  NULL},
+    {"sampler2",   D3DXRS_SAMPLER, 3, 1, D3DXPC_OBJECT, D3DXPT_SAMPLER3D, 1, 1, 1, 0, 4,  NULL},
+    {"notsampler", D3DXRS_FLOAT4,  2, 1, D3DXPC_VECTOR, D3DXPT_FLOAT,     1, 4, 1, 0, 16, NULL}};
 
 static void test_get_shader_size(void)
 {
@@ -437,6 +437,9 @@ static void test_constant_table(const char *test_name, const DWORD *ctable_fn,
         ok(actual.Bytes == expected->Bytes,
            "%s in %s: Got different byte count: Got %d, expected %d\n",
            expected->Name, test_name, actual.Bytes, expected->Bytes);
+        ok(actual.DefaultValue == expected->DefaultValue,
+            "%s in %s: Got different default value: Got %p, expected %p\n",
+            expected->Name, test_name, actual.DefaultValue, expected->DefaultValue);
     }
 
     /* Finally, release the constant table */