diff --git a/trunk/lib/warmux/action/action.cpp b/trunk/lib/warmux/action/action.cpp
index af7c622c..f73a3d53 100755
--- a/trunk/lib/warmux/action/action.cpp
+++ b/trunk/lib/warmux/action/action.cpp
@@ -85,7 +85,7 @@ Action::Action(const char *buffer, DistantComputer* _creator)
 {
   m_creator = _creator;
 
-  m_header.len = SDLNet_Read32(buffer);
+  m_header.len = SDLNet_Read32((Uint32*)buffer);
   ASSERT(m_header.len >= sizeof(Header));
   buffer += 4;
   // All of the following could be skipped for the actions we now,
diff --git a/trunk/src/graphic/surface.cpp b/trunk/src/graphic/surface.cpp
index 34526656..a7246b5d 100755
--- a/trunk/src/graphic/surface.cpp
+++ b/trunk/src/graphic/surface.cpp
@@ -613,7 +613,7 @@ bool Surface::ImgSave(const std::string& filename, bool bmp)
   png_set_IHDR(png_ptr, info_ptr, surface->w, surface->h, 8,
                PNG_COLOR_TYPE_RGB_ALPHA,      PNG_INTERLACE_NONE,
                PNG_COMPRESSION_TYPE_DEFAULT,  PNG_FILTER_TYPE_DEFAULT);
-  png_set_compression_level(png_ptr, Z_BEST_COMPRESSION);
+  png_set_compression_level(png_ptr, PNG_Z_DEFAULT_COMPRESSION);
 
   // Creating the png file
   png_write_info(png_ptr, info_ptr);
diff --git a/trunk/src/interface/weapon_menu.cpp b/trunk/src/interface/weapon_menu.cpp
index 0a422821..93d9c063 100755
--- a/trunk/src/interface/weapon_menu.cpp
+++ b/trunk/src/interface/weapon_menu.cpp
@@ -395,7 +395,7 @@ void WeaponsMenu::Draw()
 Weapon * WeaponsMenu::UpdateCurrentOverflyItem(const Polygon * poly)
 {
   if (!show)
-    return false;
+    return NULL;
   const std::vector<PolygonItem *>& items = poly->GetItem();
   WeaponMenuItem * tmp;
   Interface::GetInstance()->SetCurrentOverflyWeapon(NULL);
diff --git a/trunk/tools/list_games/main.cpp b/trunk/tools/list_games/main.cpp
index 556b7f2f..145beda6 100755
--- a/trunk/tools/list_games/main.cpp
+++ b/trunk/tools/list_games/main.cpp
@@ -1,3 +1,4 @@
+#include <unistd.h>
 #include <stdio.h>
 #include <WARMUX_types.h>
 #include <WARMUX_network.h>