diff --git a/docs/doxygen/regen.bat b/docs/doxygen/regen.bat
index 158e51d93d..56d26da04d 100644
--- a/docs/doxygen/regen.bat
+++ b/docs/doxygen/regen.bat
@@ -29,4 +29,4 @@ REM NB: we do this _after_ copying the required files to the output folders
 REM     otherwise when generating the CHM file with Doxygen, those files are
 REM     not included!
 REM
-doxygen Doxyfile.all
+doxygen Doxyfile_all
diff --git a/docs/doxygen/regen.sh b/docs/doxygen/regen.sh
index 328eb0e0e8..75fce07801 100755
--- a/docs/doxygen/regen.sh
+++ b/docs/doxygen/regen.sh
@@ -40,9 +40,9 @@ cp wxwidgets.css out/html
 
 # which configuration should we use?
 if [[ -z "$1" ]]; then
-    cfgfile="Doxyfile.all"
+    cfgfile="Doxyfile_all"
 else
-    cfgfile="Doxyfile.$1"
+    cfgfile="Doxyfile_$1"
 fi
 
 #