diff --git a/cMake/FreeCadMacros.cmake b/cMake/FreeCadMacros.cmake
index aaa1c0af2b..660f769265 100644
--- a/cMake/FreeCadMacros.cmake
+++ b/cMake/FreeCadMacros.cmake
@@ -27,22 +27,24 @@ MACRO (fc_copy_sources target_name outpath)
 ENDMACRO(fc_copy_sources)
 
 MACRO (fc_copy_file_if_different inputfile outputfile)
-    if (EXISTS ${outputfile})
-        execute_process(
-            COMMAND ${CMAKE_COMMAND} -E compare_files ${inputfile}
-                                                      ${outputfile}
-            RESULT_VARIABLE DIFFERENT_FILES
-            OUTPUT_QUIET
-            ERROR_QUIET
-        )
+    if (EXISTS ${inputfile})
+        if (EXISTS ${outputfile})
+            execute_process(
+                COMMAND ${CMAKE_COMMAND} -E compare_files ${inputfile}
+                                                          ${outputfile}
+                RESULT_VARIABLE DIFFERENT_FILES
+                OUTPUT_QUIET
+                ERROR_QUIET
+            )
 
-        if (DIFFERENT_FILES)
+            if (DIFFERENT_FILES)
+                execute_process(COMMAND "${CMAKE_COMMAND}" -E copy "${inputfile}"
+                                                                   "${outputfile}")
+            endif()
+        else()
             execute_process(COMMAND "${CMAKE_COMMAND}" -E copy "${inputfile}"
                                                                "${outputfile}")
         endif()
-    else()
-        execute_process(COMMAND "${CMAKE_COMMAND}" -E copy "${inputfile}"
-                                                           "${outputfile}")
     endif()
 ENDMACRO(fc_copy_file_if_different)
 
diff --git a/src/Build/CMakeLists.txt b/src/Build/CMakeLists.txt
index 924f4859e1..403ffcb2c4 100644
--- a/src/Build/CMakeLists.txt
+++ b/src/Build/CMakeLists.txt
@@ -15,6 +15,11 @@ EXECUTE_PROCESS(COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/src/Tools/SubWC
       WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
       OUTPUT_STRIP_TRAILING_WHITESPACE)
 
+fc_copy_file_if_different(
+    "${CMAKE_CURRENT_BINARY_DIR}/Version.h.out"
+    "${CMAKE_CURRENT_BINARY_DIR}/Version.h"
+)
+
 # as fallback if Version.h isn't created for any reason
 if (NOT EXISTS ${CMAKE_CURRENT_BINARY_DIR}/Version.h)
     set(PACKAGE_WCREF ${PACKAGE_VERSION_PATCH})
diff --git a/src/Tools/SubWCRev.py b/src/Tools/SubWCRev.py
index a5622df13f..5471cd2aa7 100644
--- a/src/Tools/SubWCRev.py
+++ b/src/Tools/SubWCRev.py
@@ -74,7 +74,7 @@ class VersionControl:
 class UnknownControl(VersionControl):
     def extractInfo(self, srcdir):
         # Do not overwrite existing file with almost useless information
-        if os.path.exists(srcdir+"/src/Build/Version.h"):
+        if os.path.exists(srcdir+"/src/Build/Version.h.out"):
             return False
         self.rev = "Unknown"
         self.date = "Unknown"
@@ -87,7 +87,7 @@ class UnknownControl(VersionControl):
 class DebianChangelog(VersionControl):
     def extractInfo(self, srcdir):
         # Do not overwrite existing file with almost useless information
-        if os.path.exists(srcdir+"/src/Build/Version.h"):
+        if os.path.exists(srcdir+"/src/Build/Version.h.out"):
             return False
         try:
             f = open(srcdir+"/debian/changelog")
@@ -385,12 +385,12 @@ def main():
             lines = inp.readlines()
             inp.close()
             lines = i.writeVersion(lines)
-            out  = open("%s/src/Build/Version.h" % (bindir),"w");
+            out  = open("%s/src/Build/Version.h.out" % (bindir),"w");
             out.writelines(lines)
             out.write('\n')
             out.close()
             i.printInfo()
-            sys.stdout.write("%s/src/Build/Version.h written\n" % (bindir))
+            sys.stdout.write("%s/src/Build/Version.h.out written\n" % (bindir))
             break
 
 if __name__ == "__main__":