diff --git a/docker-builder-data/build/script/common/helpers.sh b/docker-builder-data/build/script/common/helpers.sh
index 464ea1a..ba6e17b 100644
--- a/docker-builder-data/build/script/common/helpers.sh
+++ b/docker-builder-data/build/script/common/helpers.sh
@@ -22,6 +22,43 @@ copy() {
 }
 
 foreachfile() {
+    local DIR="$1"
+    local COMMAND="$2"
+    if [ -z "$DIR" ] || [ ! -e "$DIR" ]; then
+        return 1
+    fi
+        
+    if [ -d "$DIR" ]; then
+        for FILE in "$DIR/".*; do
+            if [ "$FILE" != "$DIR/." ] && [ "$FILE" != "$DIR/.." ]; then
+                if ! "$COMMAND" "$FILE" ${@:3}; then
+                    return 1
+                fi
+            fi
+        done
+        for FILE in "$DIR/"*; do
+            if [ "$FILE" != "$DIR" ] && [ "$FILE" != "$DIR/" ]; then
+                if ! "$COMMAND" "$FILE" ${@:3}; then
+                    return 1
+                fi
+            fi
+        done
+    fi
+}
+
+remove_recursive() {
+    local DIR="$1"
+    local NEEDLE="$2"
+
+    if [ -d "$DIR" ]; then
+        rm -f "$DIR/"$NEEDLE
+        if ! foreachfile "$DIR" "${FUNCNAME[0]}" "$NEEDLE"; then
+            return 1
+        fi
+    fi
+}
+
+foreachfile() {
     local FILE=$1
     local COMMAND=$2
     if [ ! -e "$FILE" ]; then
@@ -36,43 +73,23 @@ foreachfile() {
     fi
 }
 
-readdir() {
-    local FILE=$1
-    if [ -d "$FILE" ]; then
-        echo "directory begin"
-        ls -1 "$1" | while read SUBFILE; do
-            if [ "$SUBFILE" = ".git" ]; then
-                continue
-            fi
-            if [[ "$SUBFILE" == *.po ]]; then
-                continue
-            fi
-            local STAT=`stat -c%F:%a:%s "$FILE/$SUBFILE"`
-            echo "$STAT:$SUBFILE"
-            readdir "$FILE/$SUBFILE"
-        done
-        echo "directory end"
-    else
-        local MD5=`md5sum -b "$FILE"`
-        echo "file:${MD5:0:32}"
-    fi
-}
+sha512dir() {
+    local DIR="$1"
+    local INFO="$2"
 
-md5() {
-    local FILE=$1
-    local MD5=`readdir "$FILE" | md5sum -b`
-    echo "${MD5:0:32}"
-}
+    [ "$DIR" = ".git" ] || return 0
+    [ "$DIR" = *.po   ] || return 0
 
-remove_recursive() {
-    local CURRENT_PATH="$1"
-    local NEEDLE="$2"
-    rm -f "$CURRENT_PATH/"$NEEDLE
-    for FILE in $CURRENT_PATH; do
-        if [ -d "$CURRENT_PATH/$FILE" ]; then
-            remove_recursive "$CURRENT_PATH/$FILE" "$NEEDLE"
-        fi
-    done
+    if [ "$INFO" = "info" ]; then
+        basename "$DIR" || return 1
+        stat -c%F:%a:%s "$DIR" || return 1
+    fi
+        
+    if [ -d "$DIR" ]; then
+        (foreachfile "$DIR" "${FUNCNAME[0]}" info | sha512sum -b | cut -c1-128) || return 1
+    else
+        (sha512sum -b "$DIR" | cut -c1-128) || return 1
+    fi
 }
 
 copy_system_lib() {
diff --git a/docker-builder-data/build/script/common/manager.sh b/docker-builder-data/build/script/common/manager.sh
index b9d4414..03668c1 100755
--- a/docker-builder-data/build/script/common/manager.sh
+++ b/docker-builder-data/build/script/common/manager.sh
@@ -369,7 +369,7 @@ call_packet_function() {
 	local PREV_HASH=
 	if [ "$COMPARE_RESULTS" = "compare_results" ]; then
 		if check_packet_function $NAME $FUNC; then
-			PREV_HASH=`md5 "$FUNC_CURRENT_PACKET_DIR"` 
+			PREV_HASH=`sha512dir "$FUNC_CURRENT_PACKET_DIR"` 
 			[ ! $? -eq 0 ] && return 1
 		fi
     else
@@ -401,7 +401,7 @@ call_packet_function() {
     fi
 
 	if [ ! -z "$PREV_HASH" ]; then
-		local HASH=`md5 "$FUNC_CURRENT_PACKET_DIR"` 
+		local HASH=`sha512dir "$FUNC_CURRENT_PACKET_DIR"` 
 		[ ! $? -eq 0 ] && return 1
 		if [ "$HASH" = "$PREV_HASH" ]; then
 			message "$NAME $FUNC - not changed"
diff --git a/docker-builder-data/build/script/packet/synfigstudio-master.sh b/docker-builder-data/build/script/packet/synfigstudio-master.sh
index f57301b..0416629 100644
--- a/docker-builder-data/build/script/packet/synfigstudio-master.sh
+++ b/docker-builder-data/build/script/packet/synfigstudio-master.sh
@@ -29,17 +29,17 @@ PK_LICENSE_FILES="synfig-studio/AUTHORS synfig-studio/README"
 source $INCLUDE_SCRIPT_DIR/inc-pkall-git.sh
 
 pkbuild() {
-	cd "$BUILD_PACKET_DIR/$PK_DIRNAME/synfig-studio" || return 1
-	if ! check_packet_function $NAME build.configure; then
-		./bootstrap.sh || return 1
-		./configure \
-		 --host=$HOST \
-		 --prefix=$INSTALL_PACKET_DIR \
-		 --sysconfdir=$INSTALL_PACKET_DIR/etc \
-		 || return 1
-		set_done $NAME build.configure
-	fi
-	make -j${THREADS} || return 1
+    cd "$BUILD_PACKET_DIR/$PK_DIRNAME/synfig-studio" || return 1
+    if ! check_packet_function $NAME build.configure; then
+        ./bootstrap.sh || return 1
+        ./configure \
+         --host=$HOST \
+         --prefix=$INSTALL_PACKET_DIR \
+         --sysconfdir=$INSTALL_PACKET_DIR/etc \
+        || return 1
+        set_done $NAME build.configure
+    fi
+    make -j${THREADS} || return 1
 }
 
 pkinstall() {
@@ -47,4 +47,6 @@ pkinstall() {
     if ! make install; then
         return 1
     fi
+    cd "$INSTALL_PACKET_DIR"
+    mv "share/pixmaps/synfigstudio/"* "share/pixmaps/"
 }