--- a/liboil.pc.in
+++ b/liboil.pc.in
@@ -1,7 +1,7 @@
 prefix=@prefix@
 exec_prefix=@exec_prefix@
 libdir=@libdir@
-includedir=@includedir@/liboil-@LIBOIL_MAJORMINOR@
+includedir=@includedir@
 toolsdir=${exec_prefix}/bin
 
 
@@ -9,6 +9,6 @@ Name: liboil-@LIBOIL_MAJORMINOR@
 Description: Library of Optimized Inner Loops
 Version: @VERSION@
 Libs: -L${libdir} -loil-@LIBOIL_MAJORMINOR@ @LIBM@ @LIBRT@
-Cflags: -I${includedir}
+Cflags: -I${includedir}/liboil-@LIBOIL_MAJORMINOR@