diff --git a/libreoffice.changes b/libreoffice.changes
index eb23f27..a0ff2ce 100644
--- a/libreoffice.changes
+++ b/libreoffice.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Sep 17 12:05:26 UTC 2015 - tchvatal@suse.com
+
+- Make debuginfo's smaller on IBS.
+
 -------------------------------------------------------------------
 Thu Sep 17 08:20:21 UTC 2015 - tchvatal@suse.com
 
diff --git a/libreoffice.spec b/libreoffice.spec
index 9d3acf6..8dfa536 100644
--- a/libreoffice.spec
+++ b/libreoffice.spec
@@ -1034,7 +1034,12 @@ fi
 # make sure that JAVA_HOME is set correctly
 source %{_sysconfdir}/profile.d/alljava.sh
 # use RPM_OPT_FLAGS, ...
+%if 0%{?is_opensuse} != 1
+# ON IBS remove big debugsymbols as we simply consume too much space
+ARCH_FLAGS="`echo %{optflags} | sed -e 's/^-g /-g1 /g' -e 's/ -g / -g1 /g' -e 's/ -g$/ -g1/g'`"
+%else
 ARCH_FLAGS="%{optflags}"
+%endif
 CFLAGS="$ARCH_FLAGS"
 CXXFLAGS="$ARCH_FLAGS"
 export ARCH_FLAGS CFLAGS CXXFLAGS