--- rocksndiamonds-4.3.0.1.old/src/events.c
+++ rocksndiamonds-4.3.0.1/src/events.c
@@ -2054,6 +2054,10 @@
     key = KSYM_space;
   else if (key == KSYM_Select)
     key = KSYM_Return;
+  else if (key == KSYM_Shift_L)
+  {
+      key = KSYM_Control_R;
+  }
 
   HandleSpecialGameControllerKeys(key, key_status);
 
==== end of patch ====