diff --git a/config/sgpemv2-uninstalled.pc.in b/config/sgpemv2-uninstalled.pc.in
index 6dcc9a0..52bbbcf 100644
--- a/config/sgpemv2-uninstalled.pc.in
+++ b/config/sgpemv2-uninstalled.pc.in
@@ -13,6 +13,6 @@ Description: An educational simulator for process scheduling and management
 Version: @PACKAGE_VERSION@
 URL: http://www.math.unipd.it/
 Requires: glibmm-2.4 >= 2.8  gthread-2.0 >= 2.8
-Libs: -L${libdir}/src/backend -Wl,-rpath -Wl,"@libdir@/@PACKAGE@" -lbackend
+Libs: -L${libdir}/src/backend -Wl,-rpath -Wl,@libdir@/@PACKAGE@ -lbackend
 Libs.private: -lglibmm-2.4 -lgthread-2.0
 Cflags: -I${includedir}
diff --git a/config/sgpemv2.pc.in b/config/sgpemv2.pc.in
index 001b6e9..82ba007 100644
--- a/config/sgpemv2.pc.in
+++ b/config/sgpemv2.pc.in
@@ -13,6 +13,6 @@ Description: An educational simulator for process scheduling and management
 Version: @PACKAGE_VERSION@
 URL: http://www.math.unipd.it/
 Requires: glibmm-2.4 >= 2.8  gthread-2.0 >= 2.8
-Libs: -L${libdir} -Wl,-rpath -Wl,"${libdir}" -lbackend
+Libs: -L${libdir} -Wl,-rpath -Wl,${libdir} -lbackend
 Libs.private: -lglibmm-2.4 -lgthread-2.0
 Cflags: -I${includedir}