diff --git a/SysBuild/guibased/k3b b/SysBuild/guibased/k3b
index a3edf96..02d101e 100644
--- a/SysBuild/guibased/k3b
+++ b/SysBuild/guibased/k3b
@@ -75,7 +75,7 @@ SRCPATH=GuiBased/Apps
 
 premk() {
 	echo "Nothing do do for premk()"
-	sed -i "s/^\(#include <ctype.h>\)/#include <cdio\/types.h>\n\1/" common.h
+	sed -i "s/^\(#include <ctype.h>\)/#include <cdio\/types.h>\n\1/" /usr/include/libavutil/common.h
 }
 
 mk32() {
@@ -141,5 +141,5 @@ mk() {
 #in $TMPROOT noch einiges korrigieren
 postmk() {
 	GetSVN Viitor_kde $TMPROOT
-	sed -i "/^#include <cdio\/types.h>/d" common.h
+	sed -i "/^#include <cdio\/types.h>/d" /usr/include/libavutil/common.h
 }