diff --git a/assimp.pc.in b/assimp.pc.in
index 5b2139e6dc1ec6ecba16ef8b6ab8e39a537ba392..02cf59dc4e2f8f8081b53955a3ce644a27d87757 100644
--- a/assimp.pc.in
+++ b/assimp.pc.in
@@ -1,7 +1,7 @@
 prefix=@CMAKE_INSTALL_PREFIX@
 exec_prefix=@CMAKE_INSTALL_PREFIX@/
 libdir=@CMAKE_INSTALL_PREFIX@/@ASSIMP_LIB_INSTALL_DIR@
-includedir=@CMAKE_INSTALL_PREFIX@/@ASSIMP_INCLUDE_INSTALL_DIR@/assimp
+includedir=@CMAKE_INSTALL_PREFIX@/@ASSIMP_INCLUDE_INSTALL_DIR@
 
 Name: @CMAKE_PROJECT_NAME@
 Description: Import various well-known 3D model formats in an uniform manner.