diff --git a/lemon/CMakeLists.txt b/lemon/CMakeLists.txt
--- a/lemon/CMakeLists.txt
+++ b/lemon/CMakeLists.txt
@@ -4,12 +4,12 @@
 )
 
 CONFIGURE_FILE(
-  ${CMAKE_CURRENT_SOURCE_DIR}/config.h.cmake
+  ${CMAKE_CURRENT_SOURCE_DIR}/config.h.in
   ${CMAKE_CURRENT_BINARY_DIR}/config.h
 )
 
 CONFIGURE_FILE(
-  ${CMAKE_CURRENT_SOURCE_DIR}/lemon.pc.cmake
+  ${CMAKE_CURRENT_SOURCE_DIR}/lemon.pc.in
   ${CMAKE_CURRENT_BINARY_DIR}/lemon.pc
   @ONLY
 )