diff --git a/src/console.c b/src/console.c
index eb6e1c40f..f7610c9fe 100644
--- a/src/console.c
+++ b/src/console.c
@@ -1277,7 +1277,10 @@ boolean CON_Responder(event_t *ev)
 
 		CONS_Printf("\x86""%c""\x80""%s\n", CON_PROMPTCHAR, inputlines[inputline]);
 
-		inputline = (inputline+1) & 31;
+		// Only add command to history if it differs from previous one
+		if (strcmp(inputlines[inputline], inputlines[(inputline-1) & 31]))
+			inputline = (inputline+1) & 31;
+
 		inputhist = inputline;
 		CON_InputClear();