diff --git a/gramps2/gramps.spec b/gramps2/gramps.spec
index a4ac980bc..930843d29 100644
--- a/gramps2/gramps.spec
+++ b/gramps2/gramps.spec
@@ -48,7 +48,7 @@ else
   CFLAGS="$MYCFLAGS" %configure
 fi
 
-make
+CFLAGS="$RPM_OPT_FLAGS" make
 
 %install
 rm -rf $RPM_BUILD_ROOT
diff --git a/gramps2/gramps.spec.in b/gramps2/gramps.spec.in
index 9c0dac1de..f02a1f3e4 100644
--- a/gramps2/gramps.spec.in
+++ b/gramps2/gramps.spec.in
@@ -48,7 +48,7 @@ else
   CFLAGS="$MYCFLAGS" %configure
 fi
 
-make
+CFLAGS="$RPM_OPT_FLAGS" make
 
 %install
 rm -rf $RPM_BUILD_ROOT