diff --git a/audacity.changes b/audacity.changes
index 74af475..4c8778e 100644
--- a/audacity.changes
+++ b/audacity.changes
@@ -2,6 +2,7 @@
 Sun Jun 28 11:54:42 UTC 2020 - Dave Plater <davejplater@gmail.com>
 
 - Update to 2.4.2, now uses cmake to build.
+- Create lame.pc in spec file.
 - Remove audacity-implicit-fortify-decl.patch and
   audacity-flacversion.patch, fixed upstream
 - Add two more false positives to
diff --git a/audacity.spec b/audacity.spec
index e129f1a..0fe4f8c 100644
--- a/audacity.spec
+++ b/audacity.spec
@@ -100,6 +100,8 @@ cp -f %{SOURCE1} LICENSE_NYQUIST.txt
 rm -rf lib-src/{expat,libvamp,libsoxr,ffmpeg,lame}/
 # Audacity's cmake can't find libmp3lame without a .pc file
 # This is a temporary workaround.
+if ! test -e %{_libdir}/pkgconfig/lame.pc
+then
 echo "prefix=/usr" > lame.pc
 echo "libdir=/usr/lib64" >> lame.pc
 echo "includedir=/usr/include/lame" >> lame.pc
@@ -110,6 +112,7 @@ echo "Requires: " >> lame.pc
 echo "Version: 3.100" >> lame.pc
 echo "Libs: -L${libdir} -lmp3lame " >> lame.pc
 echo "Cflags: -I${includedir} " >> lame.pc
+fi
 
 #Included in src/AboutDialog.cpp but not supplied
 touch include/RevisionIdent.h