diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3ad7eaf3510314a4d6ee399bf9895943685819fb..7399c245b549ff97ec461274dd9359c13519c482 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -47,10 +47,10 @@ add_definitions(
     -DQT_NO_SIGNALS_SLOTS_KEYWORDS
 )
 
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/version.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/version.h )
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/version.h.in ${CMAKE_CURRENT_BINARY_DIR}/version.h )
 
 IF(NOT WIN32)
-  configure_file(${CMAKE_CURRENT_SOURCE_DIR}/kcachegrind.spec.cmake ${CMAKE_CURRENT_BINARY_DIR}/kcachegrind.spec )
+  configure_file(${CMAKE_CURRENT_SOURCE_DIR}/kcachegrind.spec.in ${CMAKE_CURRENT_BINARY_DIR}/kcachegrind.spec )
 ENDIF(NOT WIN32)
 
 ecm_create_qm_loader(kcachegrind_QM_LOADER kcachegrind_qt)
diff --git a/converters/CMakeLists.txt b/converters/CMakeLists.txt
index 2319d5e3b05757863e31f7ca6370213daa0f9671..bc0fd8852446164b9de400cfba6d8118745fffd5 100644
--- a/converters/CMakeLists.txt
+++ b/converters/CMakeLists.txt
@@ -1,5 +1,5 @@
 configure_file(
-	${CMAKE_CURRENT_SOURCE_DIR}/hotshot2calltree.cmake
+	${CMAKE_CURRENT_SOURCE_DIR}/hotshot2calltree.in
 	${CMAKE_CURRENT_BINARY_DIR}/hotshot2calltree
 	)
 
diff --git a/converters/hotshot2calltree.cmake b/converters/hotshot2calltree.in
similarity index 100%
rename from converters/hotshot2calltree.cmake
rename to converters/hotshot2calltree.in
diff --git a/kcachegrind.spec.cmake b/kcachegrind.spec.in
similarity index 100%
rename from kcachegrind.spec.cmake
rename to kcachegrind.spec.in
diff --git a/version.h.cmake b/version.h.in
similarity index 100%
rename from version.h.cmake
rename to version.h.in