diff --git a/tools/heimdal-gssapi.pc.in b/tools/heimdal-gssapi.pc.in
index 4589deedc..c35e0dca9 100644
--- a/tools/heimdal-gssapi.pc.in
+++ b/tools/heimdal-gssapi.pc.in
@@ -1,5 +1,5 @@
 # $Id$
-prefix=@PREFIX@
+prefix=@prefix@
 exec_prefix=${prefix}
 libdir=${exec_prefix}/lib
 includedir=${prefix}/include