diff --git a/inkscape.spec b/inkscape.spec
index f1c657c..14d9fc9 100644
--- a/inkscape.spec
+++ b/inkscape.spec
@@ -2,7 +2,7 @@
 
 Name:           inkscape
 Version:        1.1
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Vector-based drawing program using SVG
 
 # Inkscape tags their releases with underscores and in ALLCAPS
@@ -136,11 +136,12 @@ dos2unix -k -q share/extensions/*.py
 #export LDFLAGS="${LDFLAGS:--Wl,-z,relro   -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld}"
 sed -i /FORTIFY_SOURCE/d CMakeLists.txt
 cmake \
-        -DCMAKE_C_FLAGS_RELEASE:STRING="-DNDEBUG" \
-        -DCMAKE_CXX_FLAGS_RELEASE:STRING="-DNDEBUG" \
+        -DCMAKE_C_FLAGS_RELEASE:STRING="%{optflags} -DNDEBUG" \
+        -DCMAKE_CXX_FLAGS_RELEASE:STRING="%{optflags} -DNDEBUG" \
         -DCMAKE_Fortran_FLAGS_RELEASE:STRING="-DNDEBUG" \
         -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON \
         -DCMAKE_INSTALL_PREFIX:PATH=%{_prefix} \
+        -DCMAKE_SHARED_LINKER_FLAGS:STRING="%{build_ldflags}" \
         -DINCLUDE_INSTALL_DIR:PATH=%{_includedir} \
         -DLIB_INSTALL_DIR:PATH=%{_libdir} \
         -DSYSCONF_INSTALL_DIR:PATH=%{_sysconfdir} \
@@ -234,6 +235,9 @@ desktop-file-validate $RPM_BUILD_ROOT%{_datadir}/applications/org.inkscape.Inksc
 
 
 %changelog
+* Mon Jan 17 2022 Jan Horak <jhorak@redhat.com> - 1.1-4
+- Using system build flags
+
 * Mon Aug 09 2021 Mohan Boddu <mboddu@redhat.com> - 1.1-3
 - Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
   Related: rhbz#1991688