--- avahi-sharp.pc.in
+++ avahi-sharp.pc.in
@@ -1,6 +1,6 @@
 prefix=@prefix@
 exec_prefix=@prefix@
-libdir=@libdir@
+libdir=@prefix@/lib
 
 Name: avahi-sharp
 Description: Mono bindings for the Avahi mDNS/DNS-SD stack
--- avahi-sharp/Makefile.am
+++ avahi-sharp/Makefile.am
@@ -75,10 +75,10 @@
 endif
 
 install-data-hook: $(ASSEMBLY)
-	$(GACUTIL) /i $(ASSEMBLY) /package avahi-sharp /gacdir $(libdir) /root $(DESTDIR)$(libdir)
+	$(GACUTIL) /i $(ASSEMBLY) /package avahi-sharp /gacdir $(prefix)/lib /root $(DESTDIR)$(prefix)/lib
 
 uninstall-hook: $(ASSEMBLY)
-	$(GACUTIL) /u avahi-sharp /package avahi-sharp /gacdir $(libdir) /root $(DESTDIR)$(libdir)
+	$(GACUTIL) /u avahi-sharp /package avahi-sharp /gacdir $(prefix)/lib /root $(DESTDIR)$(prefix)/lib
 
 endif
 endif
--- avahi-sharp/Makefile.in
+++ avahi-sharp/Makefile.in
@@ -599,10 +599,10 @@
 @HAVE_DBUS_TRUE@@HAVE_MONODOC_TRUE@@HAVE_MONO_TRUE@	$(MDASSEMBLER) --out avahi-sharp-docs --ecma $(srcdir)/en
 
 @HAVE_DBUS_TRUE@@HAVE_MONO_TRUE@install-data-hook: $(ASSEMBLY)
-@HAVE_DBUS_TRUE@@HAVE_MONO_TRUE@	$(GACUTIL) /i $(ASSEMBLY) /package avahi-sharp /gacdir $(libdir) /root $(DESTDIR)$(libdir)
+@HAVE_DBUS_TRUE@@HAVE_MONO_TRUE@	$(GACUTIL) /i $(ASSEMBLY) /package avahi-sharp /gacdir $(prefix)/lib /root $(DESTDIR)$(prefix)/lib
 
 @HAVE_DBUS_TRUE@@HAVE_MONO_TRUE@uninstall-hook: $(ASSEMBLY)
-@HAVE_DBUS_TRUE@@HAVE_MONO_TRUE@	$(GACUTIL) /u avahi-sharp /package avahi-sharp /gacdir $(libdir) /root $(DESTDIR)$(libdir)
+@HAVE_DBUS_TRUE@@HAVE_MONO_TRUE@	$(GACUTIL) /u avahi-sharp /package avahi-sharp /gacdir $(prefix)/lib /root $(DESTDIR)$(prefix)/lib
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT: