diff --git a/libosmo-sccp.changes b/libosmo-sccp.changes
index 89026fb..9326606 100644
--- a/libosmo-sccp.changes
+++ b/libosmo-sccp.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sat Jun  6 23:05:34 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
+
+- Set CFLAGS+=-fcommon.
+
 -------------------------------------------------------------------
 Tue Jan  7 11:42:32 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/libosmo-sccp.spec b/libosmo-sccp.spec
index 51295ee..c00511c 100644
--- a/libosmo-sccp.spec
+++ b/libosmo-sccp.spec
@@ -160,11 +160,11 @@ a STP, such as Global Title Routing, Global Title Translation.
 %build
 echo "%version" >.tarball-version
 autoreconf -fiv
-%configure \
-        --disable-static \
-        --includedir="%_includedir/%name" \
+%configure CFLAGS="%optflags -fcommon" \
+	--disable-static \
+	--includedir="%_includedir/%name" \
 	--docdir="%_defaultdocdir/%name" \
-        --with-systemdsystemunitdir=%_unitdir
+	--with-systemdsystemunitdir=%_unitdir
 make %{?_smp_mflags}
 
 %install