diff --git a/powermanga-64bit.patch b/powermanga-64bit.patch
new file mode 100644
index 0000000..b2a6ed9
--- /dev/null
+++ b/powermanga-64bit.patch
@@ -0,0 +1,11 @@
+--- powermanga-0.79/src/linuxroutines.cpp.ptr	2005-05-24 15:49:47.000000000 -0400
++++ powermanga-0.79/src/linuxroutines.cpp	2005-05-24 15:50:08.000000000 -0400
+@@ -183,7 +183,7 @@
+       }
+     }
+     if(_pMemoire > 0)
+-    { fprintf(stderr, "libereMemoire() : can't release the address %x\n", (int)_pMemoire);
++    { fprintf(stderr, "libereMemoire() : can't release the address %zx\n", _pMemoire);
+     }
+   }
+   else
diff --git a/powermanga.spec b/powermanga.spec
index fc7f807..81ae6a3 100644
--- a/powermanga.spec
+++ b/powermanga.spec
@@ -6,12 +6,13 @@
 Summary: Arcade 2D shoot-them-up game
 Name: powermanga
 Version: 0.79
-Release: 4
+Release: 5
 License: GPL
 Group: Amusements/Games
 URL: http://linux.tlk.fr/games/Powermanga/
 Source0: http://linux.tlk.fr/games/Powermanga/download/powermanga-%{version}.tgz
 Source1: powermanga.png
+Patch0: powermanga-64bit.patch
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
 BuildRequires: XFree86-devel, SDL-devel, SDL_mixer-devel
 %{!?_without_freedesktop:BuildRequires: desktop-file-utils}
@@ -22,7 +23,8 @@ Powermanga is an arcade 2D shoot-them-up game with 41 levels and more than
 
 
 %prep
-%setup
+%setup -q
+%patch0 -p1 -b .64bit
 
 %{__cat} > %{name}.desktop << EOF
 [Desktop Entry]
@@ -89,6 +91,9 @@ desktop-file-install \
 
 
 %changelog
+* Wed May 25 2005 Jeremy Katz <katzj@redhat.com> - 0.79-5
+- add patch from Ignacio to fix build on x86_64 (#158464)
+
 * Sun May 22 2005 Jeremy Katz <katzj@redhat.com> - 0.79-4
 - rebuild on all arches