Index: libomptarget/test/offloading/offloading_success.c
===================================================================
--- libomptarget/test/offloading/offloading_success.c
+++ libomptarget/test/offloading/offloading_success.c
@@ -9,7 +9,7 @@
 int main(void) {
   int isHost = -1;
 
-#pragma omp target
+#pragma omp target map(from: isHost)
   { isHost = omp_is_initial_device(); }
 
   if (isHost < 0) {
Index: libomptarget/test/offloading/offloading_success.cpp
===================================================================
--- libomptarget/test/offloading/offloading_success.cpp
+++ libomptarget/test/offloading/offloading_success.cpp
@@ -9,7 +9,7 @@
 int main(void) {
   int isHost = 0;
 
-#pragma omp target
+#pragma omp target map(from: isHost)
   { isHost = omp_is_initial_device(); }
 
   if (isHost < 0) {