diff --git a/src/tools/fuzzing/fuzzing.cpp b/src/tools/fuzzing/fuzzing.cpp
index 9722faec4b5..9a5d1d8d56e 100644
--- a/src/tools/fuzzing/fuzzing.cpp
+++ b/src/tools/fuzzing/fuzzing.cpp
@@ -2471,7 +2471,9 @@ Expression* TranslateToFuzzReader::makeTry(Type type) {
 
 Expression* TranslateToFuzzReader::makeTryTable(Type type) {
   auto* body = make(type);
-
+  if (!funcContext) {
+    return makeTrivial(type);
+  }
   if (funcContext->breakableStack.empty()) {
     // Nothing to break to, emit a trivial TryTable.
     // TODO: Perhaps generate a block wrapping us?
@@ -2535,7 +2537,7 @@ Expression* TranslateToFuzzReader::makeTryTable(Type type) {
 }
 
 Expression* TranslateToFuzzReader::makeBreak(Type type) {
-  if (funcContext->breakableStack.empty()) {
+  if (!funcContext || funcContext->breakableStack.empty()) {
     return makeTrivial(type);
   }
   Expression* condition = nullptr;
@@ -4340,8 +4342,8 @@ Expression* TranslateToFuzzReader::makeSelect(Type type) {
 
 Expression* TranslateToFuzzReader::makeSwitch(Type type) {
   assert(type == Type::unreachable);
-  if (funcContext->breakableStack.empty()) {
-    return make(type);
+  if (!funcContext || funcContext->breakableStack.empty()) {
+    return makeTrivial(type);
   }
   // we need to find proper targets to break to; try a bunch
   int tries = fuzzParams->TRIES;
@@ -4855,7 +4857,7 @@ Expression* TranslateToFuzzReader::makeRefCast(Type type) {
 }
 
 Expression* TranslateToFuzzReader::makeBrOn(Type type) {
-  if (funcContext->breakableStack.empty()) {
+  if (!funcContext || funcContext->breakableStack.empty()) {
     return makeTrivial(type);
   }
   // We need to find a proper target to break to; try a few times. Finding the