diff --git a/dexdump/dexdump.cc b/dexdump/dexdump.cc
index 282db5d..52e6c02 100644
--- a/dexdump/dexdump.cc
+++ b/dexdump/dexdump.cc
@@ -775,7 +775,7 @@
     // case Instruction::k35ms:       // [opt] invoke-virtual+super
     // case Instruction::k35mi:       // [opt] inline invoke
       {
-        u4 arg[5];
+        u4 arg[Instruction::kMaxVarArgRegs];
         pDecInsn->GetVarArgs(arg);
         fputs(" {", gOutFile);
         for (int i = 0, n = pDecInsn->VRegA(); i < n; i++) {
@@ -788,6 +788,21 @@
         fprintf(gOutFile, "}, %s", indexBuf);
       }
       break;
+    case Instruction::k25x:        // op vC, {vD, vE, vF, vG} (B: count)
+      {
+        u4 arg[Instruction::kMaxVarArgRegs25x];
+        pDecInsn->GetAllArgs25x(arg);
+        fprintf(gOutFile, " v%d, {", arg[0]);
+        for (int i = 0, n = pDecInsn->VRegB(); i < n; i++) {
+          if (i == 0) {
+            fprintf(gOutFile, "v%d", arg[Instruction::kLambdaVirtualRegisterWidth + i]);
+          } else {
+            fprintf(gOutFile, ", v%d", arg[Instruction::kLambdaVirtualRegisterWidth + i]);
+          }
+        }  // for
+        fputc('}', gOutFile);
+      }
+      break;
     case Instruction::k3rc:        // op {vCCCC .. v(CCCC+AA-1)}, thing@BBBB
     // NOT SUPPORTED:
     // case Instruction::k3rms:       // [opt] invoke-virtual+super/range
diff --git a/runtime/dex_instruction.h b/runtime/dex_instruction.h
index 2871f76..035230e 100644
--- a/runtime/dex_instruction.h
+++ b/runtime/dex_instruction.h
@@ -185,6 +185,7 @@
 
   static constexpr uint32_t kMaxVarArgRegs = 5;
   static constexpr uint32_t kMaxVarArgRegs25x = 6;  // lambdas are 2 registers.
+  static constexpr uint32_t kLambdaVirtualRegisterWidth = 2;
 
   // Returns the size (in 2 byte code units) of this instruction.
   size_t SizeInCodeUnits() const {