diff --git a/pkgconfig/CMakeLists.txt b/pkgconfig/CMakeLists.txt
index 688087aa63..23f3ce8800 100644
--- a/pkgconfig/CMakeLists.txt
+++ b/pkgconfig/CMakeLists.txt
@@ -122,7 +122,7 @@
 # and is set by cmake to the top soruce directory.
 #
 # cppad_includedir
-LIST(GET cmake_install_libdirs 0 cppad_includedir)
+LIST(GET cmake_install_includedirs 0 cppad_includedir)
 #
 # cppad_libdir
 LIST(GET cmake_install_libdirs 0 cppad_libdir)
@@ -159,11 +159,13 @@ ENDIF( cppad_has_ipopt )
 CONFIGURE_FILE(
     ${CMAKE_CURRENT_SOURCE_DIR}/cppad.pc.in
     ${CMAKE_CURRENT_BINARY_DIR}/cppad.pc
+    @ONLY
 )
 # cppad-uninstalled.pc
 CONFIGURE_FILE(
     ${CMAKE_CURRENT_SOURCE_DIR}/cppad-uninstalled.pc.in
     ${CMAKE_CURRENT_BINARY_DIR}/cppad-uninstalled.pc
+    @ONLY
 )
 # During install copy cppad.pc to datadir
 INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/cppad.pc
diff --git a/pkgconfig/cppad-uninstalled.pc.in b/pkgconfig/cppad-uninstalled.pc.in
index 8f3233d0f6..7afb73df6b 100644
--- a/pkgconfig/cppad-uninstalled.pc.in
+++ b/pkgconfig/cppad-uninstalled.pc.in
@@ -14,7 +14,7 @@
 # includedir=@cppad_SOURCE_DIR@/include
 #
 prefix=@cppad_prefix@
-exec_prefix=$(prefix)
+exec_prefix=${prefix}
 includedir=@cppad_SOURCE_DIR@/include
 libdir=${exec_prefix}/@cppad_libdir@
 #
@@ -24,7 +24,7 @@ Version:               @cppad_version@
 URL:                   @cppad_url@
 #
 Cflags:                -I${includedir}
-Libs:                  -L{libdir} -l@cppad_lib_list@
+Libs:                  -L${libdir} -l@cppad_lib_list@
 Requires:
 Libs.private           @cppad_libs_private@
 Requires.private:      @cppad_requires_private@
diff --git a/pkgconfig/cppad.pc.in b/pkgconfig/cppad.pc.in
index a0c03145b7..e6233370df 100644
--- a/pkgconfig/cppad.pc.in
+++ b/pkgconfig/cppad.pc.in
@@ -15,7 +15,7 @@
 # for the meaning of these variables.
 #
 prefix=@cppad_prefix@
-exec_prefix=$(prefix)
+exec_prefix=${prefix}
 includedir=${prefix}/@cppad_includedir@
 libdir=${exec_prefix}/@cppad_libdir@
 #
@@ -28,7 +28,7 @@ Version:               @cppad_version@
 URL:                   @cppad_url@
 #
 Cflags:                -I${includedir}
-Libs:                  -L{libdir} -l@cppad_lib_list@
+Libs:                  -L${libdir} -l@cppad_lib_list@
 Requires:
 Libs.private           @cppad_libs_private@
 Requires.private:      @cppad_requires_private@