diff --git a/src/init.cc b/src/init.cc
index 0c4554b893..f417354b49 100644
--- a/src/init.cc
+++ b/src/init.cc
@@ -2324,7 +2324,8 @@ static ncclResult_t parseCommConfig(ncclComm_t comm, ncclConfig_t* config) {
 
   if ((internalConfigPtr->minCTAs != NCCL_CONFIG_UNDEF_INT && internalConfigPtr->minCTAs <= 0) ||
       (internalConfigPtr->maxCTAs != NCCL_CONFIG_UNDEF_INT && internalConfigPtr->maxCTAs <= 0) ||
-      (internalConfigPtr->minCTAs > internalConfigPtr->maxCTAs)) {
+      (internalConfigPtr->minCTAs != NCCL_CONFIG_UNDEF_INT && internalConfigPtr->maxCTAs != NCCL_CONFIG_UNDEF_INT &&
+       internalConfigPtr->minCTAs > internalConfigPtr->maxCTAs)) {
     WARN("Invalid config min/max channels attribute value %d/%d", internalConfigPtr->minCTAs,
          internalConfigPtr->maxCTAs);
     ret = ncclInvalidArgument;