diff --git a/sc/qa/unit/data/ods/tdf149940.ods b/sc/qa/unit/data/ods/tdf149940.ods
new file mode 100644
index 000000000000..5e117ac469f7
Binary files /dev/null and b/sc/qa/unit/data/ods/tdf149940.ods differ
diff --git a/sc/qa/unit/opencl-test-2.cxx b/sc/qa/unit/opencl-test-2.cxx
index 4c7fbdbcb96d..910e09b87ec3 100644
--- a/sc/qa/unit/opencl-test-2.cxx
+++ b/sc/qa/unit/opencl-test-2.cxx
@@ -1844,6 +1844,33 @@ CPPUNIT_TEST_FIXTURE(ScOpenCLTest2, testStatisticalFormulaStDevPA1)
     }
 }
 
+CPPUNIT_TEST_FIXTURE(ScOpenCLTest2, testTdf149940_VLookup)
+{
+    initTestEnv(u"ods/tdf149940.ods");
+    ScDocument* pDoc = getScDoc2();
+    ScDocument* pDocRes = getScDoc();
+    pDoc->CalcAll();
+
+    for (SCROW i = 4; i <= 12; ++i)
+    {
+        double fLibre = pDoc->GetValue(ScAddress(1,i,1));
+        double fExcel = pDocRes->GetValue(ScAddress(1,i,1));
+        CPPUNIT_ASSERT_DOUBLES_EQUAL(fExcel, fLibre, fabs(0.00001));
+    }
+    for (SCROW i = 4; i <= 12; ++i)
+    {
+        double fLibre = pDoc->GetValue(ScAddress(2,i,1));
+        double fExcel = pDocRes->GetValue(ScAddress(2,i,1));
+        CPPUNIT_ASSERT_DOUBLES_EQUAL(fExcel, fLibre, fabs(0.00001));
+    }
+    for (SCROW i = 4; i <= 12; ++i)
+    {
+        double fLibre = pDoc->GetValue(ScAddress(3,i,1));
+        double fExcel = pDocRes->GetValue(ScAddress(3,i,1));
+        CPPUNIT_ASSERT_DOUBLES_EQUAL(fExcel, fLibre, fabs(0.00001));
+    }
+}
+
 ScOpenCLTest2::ScOpenCLTest2()
       : ScModelTestBase( "sc/qa/unit/data" )
 {
diff --git a/sc/source/core/opencl/op_spreadsheet.cxx b/sc/source/core/opencl/op_spreadsheet.cxx
index db99a1e7cf74..815f95b1f39f 100644
--- a/sc/source/core/opencl/op_spreadsheet.cxx
+++ b/sc/source/core/opencl/op_spreadsheet.cxx
@@ -171,7 +171,9 @@ void OpVLookup::GenSlidingWindowFunction(outputstream &ss,
         }
 
         ss << "    }\n";
-        ss << "    if(rowNum!=-1)\n";
+        ss << "    if(rowNum!=-1 && tmp";
+        ss << 3 + (secondParaWidth - 1);
+        ss << " == 0)\n";
         ss << "    {\n";
         for (int j = 0; j < secondParaWidth; j++)
         {