diff --git a/libunwind/src/DwarfInstructions.hpp b/libunwind/src/DwarfInstructions.hpp
index dfe45fb..ce90aa0 100644
--- a/libunwind/src/DwarfInstructions.hpp
+++ b/libunwind/src/DwarfInstructions.hpp
@@ -170,7 +170,7 @@
       const int lastReg = R::lastDwarfRegNum();
       assert((int)CFI_Parser<A>::kMaxRegisterNumber > lastReg &&
              "register range too large");
-      assert(lastReg <= (int)cieInfo.returnAddressRegister &&
+      assert(lastReg >= (int)cieInfo.returnAddressRegister &&
              "register range does not contain return address register");
       for (int i = 0; i <= lastReg; ++i) {
         if (prolog.savedRegisters[i].location !=