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
@@ -927,6 +927,14 @@
     return OFFLOAD_FAIL;
   }
 
+  if (Device.RTL->synchronize) {
+    rc = Device.RTL->synchronize(device_id, &AsyncInfo);
+    if (rc != OFFLOAD_SUCCESS) {
+      DP("Failed to synchronize.\n");
+      return OFFLOAD_FAIL;
+    }
+  }
+
   // Deallocate (first-)private arrays
   for (auto it : fpArrays) {
     int rt = Device.RTL->data_delete(Device.RTLDeviceID, it);
@@ -944,8 +952,5 @@
     return OFFLOAD_FAIL;
   }
 
-  if (Device.RTL->synchronize)
-    return Device.RTL->synchronize(device_id, &AsyncInfo);
-
   return OFFLOAD_SUCCESS;
 }