diff --git a/tools/lli/Unix/RemoteTargetExternal.inc b/tools/lli/Unix/RemoteTargetExternal.inc
index f1c3badb2f5..e245f7e3a81 100644
--- a/tools/lli/Unix/RemoteTargetExternal.inc
+++ b/tools/lli/Unix/RemoteTargetExternal.inc
@@ -34,8 +34,9 @@ void RemoteTargetExternal::create() {
   int PipeFD[2][2];
   pid_t ChildPID;
 
-  pipe(PipeFD[0]);
-  pipe(PipeFD[1]);
+  // Create two pipes.
+  if (pipe(PipeFD[0]) != 0 || pipe(PipeFD[1]) != 0)
+    perror("Error creating pipe: ");
 
   ChildPID = fork();