diff --git a/pkgcfg/plplot-template.pc.in b/pkgcfg/plplot-template.pc.in
index 7c1310e..4656c03 100644
--- a/pkgcfg/plplot-template.pc.in
+++ b/pkgcfg/plplot-template.pc.in
@@ -1,6 +1,7 @@
-libdir=@LIB_DIR@
+prefix=${pcfiledir}/../..
+libdir=${prefix}/@LIB_DIR@
 includedir=@INCLUDE_DIR@
-drvdir=@LIB_DIR@/plplot@PLPLOT_VERSION@/drivers
+drvdir=${prefix}/@LIB_DIR@/plplot@PLPLOT_VERSION@/drivers
 
 Name: PLplot @PC_SHORT_NAME@
 Description: Scientific plotting library (@PC_PRECISION@@PC_LONG_NAME@)