diff --git a/src/processor/cfi_frame_info.cc b/src/processor/cfi_frame_info.cc
index 280620f2..258a1194 100644
--- a/src/processor/cfi_frame_info.cc
+++ b/src/processor/cfi_frame_info.cc
@@ -81,7 +81,7 @@ bool CFIFrameInfo::FindCallerRegs(const RegisterValueMap<V>& registers,
     working = registers;
     working[".cfa"] = cfa;
     if (!evaluator.EvaluateForValue(it->second, &value))
-      return false;
+      continue;
     (*caller_registers)[it->first] = value;
   }
 
diff --git a/src/processor/cfi_frame_info_unittest.cc b/src/processor/cfi_frame_info_unittest.cc
index 8111437a..919aafac 100644
--- a/src/processor/cfi_frame_info_unittest.cc
+++ b/src/processor/cfi_frame_info_unittest.cc
@@ -254,8 +254,9 @@ TEST_F(Scope, RegsLackRA) {
   cfi.SetCFARule("42740329");
   cfi.SetRARule("27045204");
   cfi.SetRegisterRule("$r1", ".ra");
-  ASSERT_FALSE(cfi.FindCallerRegs<uint64_t>(registers, memory,
-                                             &caller_registers));
+  ASSERT_TRUE(cfi.FindCallerRegs<uint64_t>(registers, memory,
+                                           &caller_registers));
+  ASSERT_EQ(caller_registers.end(), caller_registers.find("$r1"));
 }
 
 // Register rules can see the current frame's register values.
@@ -439,6 +440,7 @@ TEST_F(ParseHandler, RegisterRules) {
   handler.RARule("reg-for-ra");
   handler.RegisterRule("reg1", "reg-for-reg1");
   handler.RegisterRule("reg2", "reg-for-reg2");
+  handler.RegisterRule("reg3", "reg3");
   registers["reg-for-cfa"] = 0x268a9a4a3821a797ULL;
   registers["reg-for-ra"] = 0x6301b475b8b91c02ULL;
   registers["reg-for-reg1"] = 0x06cde8e2ff062481ULL;
@@ -449,6 +451,7 @@ TEST_F(ParseHandler, RegisterRules) {
   ASSERT_EQ(0x6301b475b8b91c02ULL, caller_registers[".ra"]);
   ASSERT_EQ(0x06cde8e2ff062481ULL, caller_registers["reg1"]);
   ASSERT_EQ(0xff0c4f76403173e2ULL, caller_registers["reg2"]);
+  ASSERT_EQ(caller_registers.end(), caller_registers.find("reg3"));
 }
 
 struct SimpleCFIWalkerFixture {