diff --git a/pipelines/build/common/openjdk_build_pipeline.groovy b/pipelines/build/common/openjdk_build_pipeline.groovy
index d0ce9f969..f0ecd2698 100644
--- a/pipelines/build/common/openjdk_build_pipeline.groovy
+++ b/pipelines/build/common/openjdk_build_pipeline.groovy
@@ -317,7 +317,6 @@ class Build {
         List dynamicList = buildConfig.DYNAMIC_LIST
         List numMachines = buildConfig.NUM_MACHINES
         def enableTestDynamicParallel = Boolean.valueOf(buildConfig.ENABLE_TESTDYNAMICPARALLEL)
-        def numMachinesPerTest = ''
 
         testList.each { testType ->
 
@@ -334,10 +333,11 @@ class Build {
 
                         def jobParams = getAQATestJobParams(testType)
                         def parallel = 'None'
+                        def numMachinesPerTest = ''
 
                         if (enableTestDynamicParallel && dynamicList.contains(testType)) {
                             numMachinesPerTest = numMachines.getAt(dynamicList.indexOf(testType))
-                            if (!numMachinesPerTest) {
+                            if (numMachinesPerTest) {
                                 // see build configuration in jdk*_pipeline_config.groovy
                                 // when numMachines is an array, its size should match the testLists size
                                 throw new Exception("No number of machines provided for running ${testType} tests in parallel, numMachines: ${numMachines}!")