diff --git a/bindings/c/taglib_c.pc.cmake b/bindings/c/taglib_c.pc.cmake
index b9531778..ab1b4b34 100644
--- a/bindings/c/taglib_c.pc.cmake
+++ b/bindings/c/taglib_c.pc.cmake
@@ -8,5 +8,5 @@ Name: TagLib C Bindings
 Description: Audio meta-data library (C bindings)
 Requires: taglib
 Version: 1.4
-Libs: -L${libdir} -ltag_c
-Cflags: -I${includedir}/taglib 
+Libs: -L${LIB_INSTALL_DIR} -ltag_c
+Cflags: -I=${INCLUDE_INSTALL_DIR}/taglib 
diff --git a/taglib.pc.cmake b/taglib.pc.cmake
index 35ff6366..6e9b181a 100644
--- a/taglib.pc.cmake
+++ b/taglib.pc.cmake
@@ -7,5 +7,5 @@ Name: TagLib
 Description: Audio meta-data library
 Requires: 
 Version: 1.4
-Libs: -L${libdir} -ltag
-Cflags: -I${includedir}/taglib 
+Libs: -L${LIB_INSTALL_DIR} -ltag
+Cflags: -I${INCLUDE_INSTALL_DIR}/taglib