diff --git a/lldb/scripts/Python/interface/SBStream.i b/lldb/scripts/Python/interface/SBStream.i
index 3eca0dcaa1bc..052fa8f9bd36 100644
--- a/lldb/scripts/Python/interface/SBStream.i
+++ b/lldb/scripts/Python/interface/SBStream.i
@@ -73,7 +73,7 @@ public:
     %extend {
         void Print (const char* str)
         {
-            self->Printf(str);
+            self->Printf("%s", str);
         }
     }