diff --git a/test/tools/ossfuzz/protoToYul.cpp b/test/tools/ossfuzz/protoToYul.cpp
index 06f55f74b..86a053e1d 100644
--- a/test/tools/ossfuzz/protoToYul.cpp
+++ b/test/tools/ossfuzz/protoToYul.cpp
@@ -1740,7 +1740,8 @@ void ProtoConverter::createFunctionDefAndCall(
 		!m_inForInitScope,
 		"Proto fuzzer: Trying to create function call inside for-init block"
 	);
-	createFunctionCall(funcName, _numInParams, _numOutParams);
+	if (_x.force_call())
+		createFunctionCall(funcName, _numInParams, _numOutParams);
 }
 
 void ProtoConverter::visit(FunctionDef const& _x)
diff --git a/test/tools/ossfuzz/yulProto.proto b/test/tools/ossfuzz/yulProto.proto
index cc9d33833..129638e27 100644
--- a/test/tools/ossfuzz/yulProto.proto
+++ b/test/tools/ossfuzz/yulProto.proto
@@ -355,6 +355,7 @@ message FunctionDef {
   required uint32 num_input_params = 1;
   required uint32 num_output_params = 2;
   required Block block = 3;
+  required bool force_call = 4;
 }
 
 message PopStmt {