diff --git a/jack.pc.in b/jack.pc.in
index ecf839e7..eb0b3f60 100644
--- a/jack.pc.in
+++ b/jack.pc.in
@@ -3,7 +3,7 @@ exec_prefix=@PREFIX@
 libdir=@LIBDIR@
 includedir=@INCLUDEDIR@
 server_libs=-L@LIBDIR@ -l@SERVERLIB@
-jack_implementation=jack2
+jack_implementation=ladi-jack2
 
 Name: jack
 Description: the Jack Audio Connection Kit: a low-latency synchronous callback-based media server
diff --git a/jackserver.pc.in b/jackserver.pc.in
index db0fc288..ad81fc6b 100644
--- a/jackserver.pc.in
+++ b/jackserver.pc.in
@@ -2,7 +2,7 @@ prefix=@PREFIX@
 exec_prefix=@PREFIX@
 libdir=@LIBDIR@
 includedir=@INCLUDEDIR@
-jack_implementation=jack2
+jack_implementation=ladi-jack2
 
 Name: jackserver
 Description: the Jack Audio Connection Kit: a low-latency synchronous callback-based media server (libjackserver)