diff --git a/src/console/serialice.c b/src/console/serialice.c
index 144a6c717d..a8c07fe352 100644
--- a/src/console/serialice.c
+++ b/src/console/serialice.c
@@ -374,6 +374,11 @@ static void serialice_cpuinfo(char *buffer, int len)
 	u32 eax, ecx;
 	u32 reg32;
 
+    if (len < 20) {
+        sio_putstring("cpuinfo to small");
+        return;
+    }
+
 	// Format:
 	//    --EAX--- --ECX---
 	// *ci00000000.00000000