diff --git a/sc/source/core/opencl/op_math.cxx b/sc/source/core/opencl/op_math.cxx
index 9b7dca065a6d..1c8c717fb307 100644
--- a/sc/source/core/opencl/op_math.cxx
+++ b/sc/source/core/opencl/op_math.cxx
@@ -2051,8 +2051,7 @@ void OpSumIf::GenSlidingWindowFunction(std::stringstream &ss,
 {
     ss << "\ndouble " << sSymName;
     ss << "_"<< BinFuncName() <<"(";
-    int flag = 0;
-    (3 == vSubArguments.size()) && (flag = 2);
+    int flag = 3 == vSubArguments.size() ? 2 : 0;
     for (unsigned i = 0; i < vSubArguments.size(); i++)
     {
         if (i)