diff --git a/src/assembler.cc b/src/assembler.cc
index ff487720bc..ca30e19cb4 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -492,7 +492,8 @@ void RelocInfo::Print(FILE* out) {
            target_address());
   } else if (IsPosition(rmode_)) {
     PrintF(out, "  (%" V8_PTR_PREFIX "d)", data());
-  } else if (rmode_ == RelocInfo::RUNTIME_ENTRY) {
+  } else if (rmode_ == RelocInfo::RUNTIME_ENTRY &&
+             Isolate::Current()->deoptimizer_data() != NULL) {
     // Depotimization bailouts are stored as runtime entries.
     int id = Deoptimizer::GetDeoptimizationId(
         target_address(), Deoptimizer::EAGER);
diff --git a/src/disassembler.cc b/src/disassembler.cc
index d142ef6af1..e757f90253 100644
--- a/src/disassembler.cc
+++ b/src/disassembler.cc
@@ -282,7 +282,8 @@ static int DecodeIt(FILE* f,
         } else {
           out.AddFormatted(" %s", Code::Kind2String(kind));
         }
-      } else if (rmode == RelocInfo::RUNTIME_ENTRY) {
+      } else if (rmode == RelocInfo::RUNTIME_ENTRY &&
+                 Isolate::Current()->deoptimizer_data() != NULL) {
         // A runtime entry reloinfo might be a deoptimization bailout.
         Address addr = relocinfo.target_address();
         int id = Deoptimizer::GetDeoptimizationId(addr, Deoptimizer::EAGER);