diff --git a/vorbisidec.pc.in b/vorbisidec.pc.in
index 9c095242133a2188c5036176f4196bbdd2553152..56fa656798e15f1d5ec5261e89657ed0e08dffda 100644
--- a/vorbisidec.pc.in
+++ b/vorbisidec.pc.in
@@ -8,7 +8,7 @@ includedir=@includedir@
 Name: vorbisidec
 Description: vorbisidec is the integer Ogg Vorbis library
 Version: @VERSION@
-Requires: ogg
+Requires.private: ogg
 Conflicts:
-Libs: -L${libdir} -lvorbisidec -lm
+Libs: -L${libdir} -lvorbisidec
 Cflags: -I${includedir}