diff --git a/flagcx/core/cost_model.cc b/flagcx/core/cost_model.cc
index 8fdbd54c..fc18f91f 100644
--- a/flagcx/core/cost_model.cc
+++ b/flagcx/core/cost_model.cc
@@ -10,7 +10,8 @@ flagcxResult_t flagcxAlgoTimeEstimator::getAlgoTime(float *time) {
   const char *interServerTopoFile =
       flagcxGetEnv("FLAGCX_INTERSERVER_ROUTE_FILE");
   if (enableTopoDetect && interServerTopoFile &&
-      strcmp(enableTopoDetect, "TRUE") == 0) {
+      (strcmp(enableTopoDetect, "TRUE") == 0 ||
+       strcmp(enableTopoDetect, "True") == 0)) {
     // algo time estimator depends on cluster level topology detection
     float preHomoTime, heteroTime, postHomoTime;
     INFO(FLAGCX_GRAPH, "COST_MODEL: getting time for prehomo funcs");
diff --git a/flagcx/core/init.cc b/flagcx/core/init.cc
index ae5ae51e..3e23b2ea 100644
--- a/flagcx/core/init.cc
+++ b/flagcx/core/init.cc
@@ -216,7 +216,7 @@ static flagcxResult_t flagcxCommInitRankFunc(struct flagcxAsyncJob *job_) {
   }
   FLAGCXCHECK(flagcxNetInit(comm));
   INFO(FLAGCX_INIT, "Using network %s", comm->netAdaptor->name);
-  if (env && strcmp(env, "TRUE") == 0) {
+  if (env && (strcmp(env, "TRUE") == 0 || strcmp(env, "True") == 0)) {
     INFO(FLAGCX_INIT, "getting busId for cudaDev %d", comm->cudaDev);
     FLAGCXCHECK(getBusId(comm->cudaDev, &comm->busId));
     INFO(FLAGCX_INIT, "getting commHash for rank %d", comm->rank);
diff --git a/flagcx/core/topo.cc b/flagcx/core/topo.cc
index 5477d8ab..c301dad2 100644
--- a/flagcx/core/topo.cc
+++ b/flagcx/core/topo.cc
@@ -537,7 +537,8 @@ flagcxResult_t flagcxGetLocalNetFromGpu(int apu, int *dev,
   }
 
   if (strlen(name) == 0 && enable_topo_detect &&
-      strcmp(enable_topo_detect, "TRUE") == 0) {
+      (strcmp(enable_topo_detect, "TRUE") == 0 ||
+       strcmp(enable_topo_detect, "True") == 0)) {
     FLAGCXCHECK(flagcxTopoGetLocalNet(comm->topoServer, comm->rank, dev));
   }
 
diff --git a/flagcx/flagcx.cc b/flagcx/flagcx.cc
index bbf72b9d..6ad21e77 100644
--- a/flagcx/flagcx.cc
+++ b/flagcx/flagcx.cc
@@ -484,9 +484,10 @@ flagcxResult_t flagcxCommInitRank(flagcxComm_t *comm, int nranks,
     struct flagcxNicDistance *nicDistanceData;
     FLAGCXCHECK(flagcxCalloc(&nicDistanceData, nranks));
     const char *enableTopoDetect = flagcxGetEnv("FLAGCX_ENABLE_TOPO_DETECT");
-    if (enableTopoDetect && strcmp(enableTopoDetect, "TRUE") ==
-                                0) { // safety check nic distance is only
-                                     // available after topo detection
+    if (enableTopoDetect && (strcmp(enableTopoDetect, "TRUE") == 0 ||
+                             strcmp(enableTopoDetect, "True") ==
+                                 0)) { // safety check nic distance is only
+                                       // available after topo detection
       FLAGCXCHECK(flagcxGetNicDistance((*comm)->hetero_comm->topoServer, rank,
                                        nicDistanceData + rank));
     } else {
@@ -1762,4 +1763,4 @@ flagcxResult_t flagcxGroupEnd(flagcxComm_t comm) {
     }
   }
   return flagcxSuccess;
-}
\ No newline at end of file
+}