diff --git a/pisi/actionsapi/pisitools.py b/pisi/actionsapi/pisitools.py
index d69e3f94..04a263a8 100644
--- a/pisi/actionsapi/pisitools.py
+++ b/pisi/actionsapi/pisitools.py
@@ -98,7 +98,7 @@ def dolib(sourceFile, destinationDirectory = '/usr/lib'):
     sourceFile = join_path(os.getcwd(), sourceFile)
     destinationDirectory = join_path(get.installDIR(), destinationDirectory)
 
-    lib_insinto(sourceFile, destinationDirectory, 755)
+    lib_insinto(sourceFile, destinationDirectory, 0755)
 
 def dolib_a(sourceFile, destinationDirectory = '/usr/lib'):
     '''insert the static library into /usr/lib with permission 0644'''
@@ -107,7 +107,7 @@ def dolib_a(sourceFile, destinationDirectory = '/usr/lib'):
     sourceFile = join_path(os.getcwd(), sourceFile)
     destinationDirectory = join_path(get.installDIR(), destinationDirectory)
 
-    lib_insinto(sourceFile, destinationDirectory, 644)
+    lib_insinto(sourceFile, destinationDirectory, 0644)
 
 def dolib_so(sourceFile, destinationDirectory = '/usr/lib'):
     '''insert the static library into /usr/lib with permission 0755'''
@@ -116,7 +116,7 @@ def dolib_so(sourceFile, destinationDirectory = '/usr/lib'):
     sourceFile = join_path(os.getcwd(), sourceFile)
     destinationDirectory = join_path(get.installDIR(), destinationDirectory)
 
-    lib_insinto(sourceFile, destinationDirectory, 755)
+    lib_insinto(sourceFile, destinationDirectory, 0755)
 
 def doman(*sourceFiles):
     '''inserts the man pages in the list of files into /usr/share/man/'''
diff --git a/pisi/actionsapi/pisitoolsfunctions.py b/pisi/actionsapi/pisitoolsfunctions.py
index 44b88984..a372a501 100644
--- a/pisi/actionsapi/pisitoolsfunctions.py
+++ b/pisi/actionsapi/pisitoolsfunctions.py
@@ -85,4 +85,4 @@ def lib_insinto(sourceFile, destinationDirectory, permission = 0644):
     if os.path.islink(sourceFile):
         os.symlink(os.path.realpath(sourceFile), os.path.join(destinationDirectory, sourceFile))
     else:
-        system('install -m%s %s %s' % (permission, sourceFile, destinationDirectory))
+        system('install -m0%o %s %s' % (permission, sourceFile, destinationDirectory))
diff --git a/pisi/actionsapi/shelltools.py b/pisi/actionsapi/shelltools.py
index 9700990c..430032f3 100644
--- a/pisi/actionsapi/shelltools.py
+++ b/pisi/actionsapi/shelltools.py
@@ -67,7 +67,7 @@ def chmod(filePath, mode = 0755):
             try:
                 os.chmod(fileName, mode)
             except OSError:
-                ctx.ui.error(_('ActionsAPI [chmod]: Operation not permitted: %s (mode: %s)') \
+                ctx.ui.error(_('ActionsAPI [chmod]: Operation not permitted: %s (mode: 0%o)') \
                                                                 % (fileName, mode))
         else:
             ctx.ui.error(_('ActionsAPI [chmod]: File %s doesn\'t exists.') % (fileName))