diff --git a/openmp/libomptarget/src/omptarget.cpp b/openmp/libomptarget/src/omptarget.cpp
--- a/openmp/libomptarget/src/omptarget.cpp
+++ b/openmp/libomptarget/src/omptarget.cpp
@@ -764,8 +764,9 @@
     }
   } else {
     char *Ptr = (char *)ArgsBase + Offset;
-    DP("Transfer of non-contiguous : host ptr %lx offset %ld len %ld\n",
-       (uint64_t)Ptr, Offset, Size);
+    DP("Transfer of non-contiguous : host ptr " DPxMOD " offset %" PRIu64
+       " len %" PRIu64 "\n",
+       DPxPTR(Ptr), Offset, Size);
     Ret = targetDataContiguous(loc, Device, ArgsBase, Ptr, Size, ArgType);
   }
   return Ret;
@@ -894,7 +895,7 @@
     if (I != Device.LoopTripCnt.end()) {
       LoopTripCount = I->second;
       Device.LoopTripCnt.erase(I);
-      DP("loop trip count is %lu.\n", LoopTripCount);
+      DP("loop trip count is %" PRIu64 ".\n", LoopTripCount);
     }
   }
 
diff --git a/openmp/libomptarget/src/private.h b/openmp/libomptarget/src/private.h
--- a/openmp/libomptarget/src/private.h
+++ b/openmp/libomptarget/src/private.h
@@ -112,9 +112,9 @@
   for (const auto &HostTargetMap : Device.HostDataToTargetMap) {
     SourceInfo Info(HostTargetMap.HstPtrName);
     INFO(OMP_INFOTYPE_ALL, Device.DeviceID,
-         DPxMOD " " DPxMOD " %-8lu %-8ld %s at %s:%d:%d\n",
+         DPxMOD " " DPxMOD " %-8" PRIuPTR " %-8" PRId64 " %s at %s:%d:%d\n",
          DPxPTR(HostTargetMap.HstPtrBegin), DPxPTR(HostTargetMap.TgtPtrBegin),
-         (long unsigned)(HostTargetMap.HstPtrEnd - HostTargetMap.HstPtrBegin),
+         HostTargetMap.HstPtrEnd - HostTargetMap.HstPtrBegin,
          HostTargetMap.getRefCount(), Info.getName(), Info.getFilename(),
          Info.getLine(), Info.getColumn());
   }
@@ -152,7 +152,7 @@
     else
       type = "use_address";
 
-    INFO(OMP_INFOTYPE_ALL, DeviceId, "%s(%s)[%ld] %s\n", type,
+    INFO(OMP_INFOTYPE_ALL, DeviceId, "%s(%s)[%" PRId64 "] %s\n", type,
          getNameFromMapping(varName).c_str(), ArgSizes[i], implicit);
   }
 }