diff --git a/ktorrent.changes b/ktorrent.changes
index 807bd49..6faaa9d 100644
--- a/ktorrent.changes
+++ b/ktorrent.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Wed Jan 24 18:12:30 UTC 2018 - wbauer@tmo.at
+
+- Build with gcc7 on Leap 42.3, gcc5 no longer works because of a
+  change to the default compiler flags in openSUSE:Leap:42.3:Update
+  (boo#1077345)
+
 -------------------------------------------------------------------
 Sat Sep  2 09:19:00 UTC 2017 - wbauer@tmo.at
 
diff --git a/ktorrent.spec b/ktorrent.spec
index bca297e..d0b32d8 100644
--- a/ktorrent.spec
+++ b/ktorrent.spec
@@ -75,8 +75,13 @@ BuildRequires:  pkgconfig(Qt5Script)
 BuildRequires:  pkgconfig(Qt5Widgets)
 BuildRequires:  pkgconfig(taglib)
 %if 0%{?suse_version} < 1330
+%if 0%{?sle_version} < 120300
 BuildRequires:    gcc5
 BuildRequires:    gcc5-c++
+%else
+BuildRequires:    gcc7
+BuildRequires:    gcc7-c++
+%endif
 #!BuildIgnore:  libgcc_s1
 %endif
 Recommends:     %{name}-lang = %{version}
@@ -98,8 +103,12 @@ for BitTorrent.
 
 %build
 %if 0%{?suse_version} < 1330
+%if 0%{?sle_version} < 120300
 %cmake_kf5 -d build -- -DCMAKE_C_COMPILER=gcc-5 -DCMAKE_CXX_COMPILER=g++-5
 %else
+%cmake_kf5 -d build -- -DCMAKE_C_COMPILER=gcc-7 -DCMAKE_CXX_COMPILER=g++-7
+%endif
+%else
 %cmake_kf5 -d build
 %endif
 %make_jobs