diff --git a/dlls/dbghelp/msc.c b/dlls/dbghelp/msc.c
index 02f90723a45..1ab322f2d82 100644
--- a/dlls/dbghelp/msc.c
+++ b/dlls/dbghelp/msc.c
@@ -1714,6 +1714,7 @@ static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root
             break;
 
         case S_MSTOOL_V3: /* just to silence a few warnings */
+        case S_MSTOOLENV_V3:
             break;
 
         case S_SSEARCH_V1:
diff --git a/include/wine/mscvpdb.h b/include/wine/mscvpdb.h
index cf66053f92c..71ec9e69378 100644
--- a/include/wine/mscvpdb.h
+++ b/include/wine/mscvpdb.h
@@ -1620,6 +1620,7 @@ union codeview_symbol
 #define S_SECTINFO_V3   0x1136
 #define S_SUBSECTINFO_V3 0x1137
 #define S_SECUCOOKIE_V3 0x113A
+#define S_MSTOOLENV_V3  0x113D
 
 /* ======================================== *
  *          Line number information
diff --git a/tools/winedump/msc.c b/tools/winedump/msc.c
index c788f6ca1cc..f5dc220df0f 100644
--- a/tools/winedump/msc.c
+++ b/tools/winedump/msc.c
@@ -1243,6 +1243,22 @@ int codeview_dump_symbols(const void* root, unsigned long size)
             }
             break;
 
+        case S_MSTOOLENV_V3:
+            {
+                const char*             x1 = (const char*)sym + 4 + 1;
+                const char*             x2;
+
+                printf("\tTool conf V3\n");
+                while (*x1)
+                {
+                    x2 = x1 + strlen(x1) + 1;
+                    if (!*x2) break;
+                    printf("\t\t%s: %s\n", x1, x2);
+                    x1 = x2 + strlen(x2) + 1;
+                }
+            }
+            break;
+
         case S_ALIGN_V1:
             /* simply skip it */
             break;