diff --git a/berusky2-gcc7.patch b/berusky2-gcc7.patch
new file mode 100644
index 0000000..7d6e558
--- /dev/null
+++ b/berusky2-gcc7.patch
@@ -0,0 +1,48 @@
+diff --git a/src/kofola/Menu.cpp b/src/kofola/Menu.cpp
+index da8a32a..678bb8f 100644
+--- a/src/kofola/Menu.cpp
++++ b/src/kofola/Menu.cpp
+@@ -282,7 +282,7 @@ void AnimationEvent(DWORD dwTime, AUDIO_DATA * p_ad)
+   char bAnim = 0;
+   DWORD e;
+ 
+-  e = abs(dwLTime - dwTime);
++  e = abs((int)(dwLTime - dwTime));
+ 
+   for (i = 0; i < 32; i++)
+     if (anm[i].cmd) {
+diff --git a/src/kofola/Menu2.cpp b/src/kofola/Menu2.cpp
+index 2591982..45b0a37 100644
+--- a/src/kofola/Menu2.cpp
++++ b/src/kofola/Menu2.cpp
+@@ -232,7 +232,7 @@ void AnimationEvent2(HWND hwnd, UINT uMsg, UINT idEvent, DWORD dwTime)
+   //priprava 
+   //BitBltU(CompositDC,0,0,1024,768,NULL,0,0,WHITENESS);
+ 
+-  e = abs(dwLTime - dwTime);
++  e = abs((int)(dwLTime - dwTime));
+   for (i = 0; i < 32; i++)
+     if (anm[i].cmd) {
+       if (anm[i].bStop) {
+diff --git a/src/kofola/animend_functions.cpp b/src/kofola/animend_functions.cpp
+index ff8d92a..ecad6d5 100644
+--- a/src/kofola/animend_functions.cpp
++++ b/src/kofola/animend_functions.cpp
+@@ -359,7 +359,7 @@ void anmend_Lift(size_ptr param, size_ptr param2, size_ptr p_param)
+   s = ap_Play_Sound(0,0,0, pos, p_itm->p_Object->Specific[0].Index, NULL, &ad);
+ 
+   if (s >= 0) {
+-		for(i=0;i<(abs(param)-1);i++)
++		for(i=0;i<(abs((int)param)-1);i++)
+ 			adas_Queue_Sound(s, p_itm->p_Object->Specific[1].Index);
+ 
+ 		adas_Queue_Sound(s, p_itm->p_Object->Specific[2].Index);
+@@ -371,7 +371,7 @@ void anmend_Lift(size_ptr param, size_ptr param2, size_ptr p_param)
+     if (s < 0)
+       return;
+ 
+-    p_Level->LiftParticles[s].dwStop = abs(param) * 250;
++    p_Level->LiftParticles[s].dwStop = abs((int)param) * 250;
+   }
+ }
+ 
diff --git a/berusky2.spec b/berusky2.spec
index 645a757..9309b44 100644
--- a/berusky2.spec
+++ b/berusky2.spec
@@ -1,6 +1,6 @@
 Name:           berusky2
 Version:        0.10
-Release:        12%{?dist}
+Release:        13%{?dist}
 License:        GPLv2+
 Summary:        Sokoban clone
 Group:          Amusements/Games
@@ -9,6 +9,7 @@ Source1:        berusky2.appdata.xml
 Source2:        berusky2.png
 Patch0:         berusky2-anim-crash.patch
 Patch1:         berusky2-gcc6.patch
+Patch2:         berusky2-gcc7.patch
 URL:            http://www.anakreon.cz/en/Berusky2.htm
 
 Requires:       berusky2-data >= 0.9
@@ -32,6 +33,7 @@ which increases throughout the game.
 %setup -q
 %patch0 -p1 -b .anim-crash
 %patch1 -p1 -b .gcc
+%patch2 -p1 -b .gcc7
 
 %build
 %configure CFLAGS="$RPM_OPT_FLAGS"
@@ -86,6 +88,9 @@ fi
 %{_var}/games/%{name}/*
 
 %changelog
+* Fri Jun 30 2017 Martin Stransky <stransky@redhat.com> 0.10-13
+- gcc7 build fix
+
 * Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.10-12
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild