diff --git a/lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h b/lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h
index b9cafeb831b..f9d2bd0d383 100644
--- a/lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h
+++ b/lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h
@@ -1140,7 +1140,7 @@ static bool DisassembleThumb2LdStMul(MCInst &MI, unsigned Opcode, uint32_t insn,
           Opcode == ARM::t2STMIA || Opcode == ARM::t2STMIA_UPD ||
           Opcode == ARM::t2STMDB || Opcode == ARM::t2STMDB_UPD)
          && "Unexpected opcode");
-  assert(NumOps >= 5 && "Thumb2 LdStMul expects NumOps >= 5");
+  assert(NumOps >= 4 && "Thumb2 LdStMul expects NumOps >= 4");
 
   NumOpsAdded = 0;
 
diff --git a/test/MC/Disassembler/ARM/thumb-tests.txt b/test/MC/Disassembler/ARM/thumb-tests.txt
index edf0f85870e..6a010644e1b 100644
--- a/test/MC/Disassembler/ARM/thumb-tests.txt
+++ b/test/MC/Disassembler/ARM/thumb-tests.txt
@@ -136,3 +136,6 @@
 
 # CHECK:	vcmpe.f64	d8, #0
 0xb5 0xee 0xc0 0x8b
+
+# CHECK:	stmdb.w	sp, {r0, r2, r3, r8, r11, lr}
+0x0d 0xe9 0x0d 0x49