diff -Nrup a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt	2020-05-08 17:41:00.000000000 +0200
+++ b/CMakeLists.txt	2021-04-26 08:11:39.556346221 +0200
@@ -755,7 +755,7 @@ set(OpenBabel3_INCLUDE_DIRS "\${OpenBabe
 set(OpenBabel3_LIBRARIES "$<TARGET_FILE:openbabel>")
 
 set(OB_EXPORTS_FILE
-  "\${OpenBabel3_INSTALL_PREFIX}/${OB_CONFIG_DIR}/OpenBabel3_EXPORTS.cmake")
+  "${OB_CONFIG_DIR}/OpenBabel3_EXPORTS.cmake")
 set(REL_REF)
 if(NOT WIN32)
   set(REL_REF "/../../..")
diff -Nrup a/openbabel-3.pc.cmake b/openbabel-3.pc.cmake
--- a/openbabel-3.pc.cmake	2020-05-08 17:41:00.000000000 +0200
+++ b/openbabel-3.pc.cmake	2021-04-26 08:04:32.517957193 +0200
@@ -1,6 +1,6 @@
 prefix=@CMAKE_INSTALL_PREFIX@
 exec_prefix=${prefix}
-libdir=${exec_prefix}/@LIB_INSTALL_DIR@
+libdir=@LIB_INSTALL_DIR@
 includedir=${prefix}/include
 pkgincludedir=${includedir}/openbabel@BABEL_MAJ_VER@