diff --git a/engine/common/cmd.c b/engine/common/cmd.c
index f67a3d987..3e67fe0d8 100644
--- a/engine/common/cmd.c
+++ b/engine/common/cmd.c
@@ -309,7 +309,7 @@ start:
 	{
 		i++;
 		cmd_text[level].buf.cursize -= i;
-		Q_memcpy (text, text+i, cmd_text[level].buf.cursize);
+		Q_memmove (text, text+i, cmd_text[level].buf.cursize);
 	}
 
 //	Con_Printf("Found \"%s\"\n", line);
@@ -387,7 +387,7 @@ void Cbuf_ExecuteLevel (int level)
 		{
 			i++;
 			cmd_text[level].buf.cursize -= i;
-			Q_memcpy (text, text+i, cmd_text[level].buf.cursize);
+			Q_memmove (text, text+i, cmd_text[level].buf.cursize);
 		}
 
 // execute the command line
diff --git a/engine/common/common.h b/engine/common/common.h
index a411888a5..adc9ec102 100644
--- a/engine/common/common.h
+++ b/engine/common/common.h
@@ -178,6 +178,7 @@ int wildcmp(const char *wild, const char *string);	//1 if match
 
 #define Q_memset(d, f, c) memset((d), (f), (c))
 #define Q_memcpy(d, s, c) memcpy((d), (s), (c))
+#define Q_memmove(d, s, c) memmove((d), (s), (c))
 #define Q_memcmp(m1, m2, c) memcmp((m1), (m2), (c))
 #define Q_strcpy(d, s) strcpy((d), (s))
 #define Q_strncpy(d, s, n) strncpy((d), (s), (n))