diff --git a/runtime/indent/Make_mvc.mak b/runtime/indent/Make_mvc.mak
index 0f73d7f..a50494d 100644
--- a/runtime/indent/Make_mvc.mak
+++ b/runtime/indent/Make_mvc.mak
@@ -4,7 +4,7 @@
 
 .SUFFIXES:
 
-VIM = vim.exe
+VIMPROG = vim.exe
 VIMRUNTIME = ..
 
 # Run the tests that didn't run yet or failed previously.
@@ -12,7 +12,7 @@
 # If a test fails a testdir\*.fail file will be written.
 test :
 	@ set "VIMRUNTIME=$(VIMRUNTIME)"
-	$(VIM) --clean --not-a-term -u testdir\runtest.vim
+	$(VIMPROG) --clean --not-a-term -u testdir\runtest.vim
 
 
 clean testclean :
diff --git a/runtime/indent/Makefile b/runtime/indent/Makefile
index 66ded80..36a3f15 100644
--- a/runtime/indent/Makefile
+++ b/runtime/indent/Makefile
@@ -3,14 +3,14 @@
 .SUFFIXES:
 .PHONY: test clean testclean
 
-VIM = vim
+VIMPROG = vim
 VIMRUNTIME = ..
 
 # Run the tests that didn't run yet or failed previously.
 # If a test succeeds a testdir/*.out file will be written.
 # If a test fails a testdir/*.fail file will be written.
 test:
-	VIMRUNTIME=$(VIMRUNTIME) $(VIM) --clean --not-a-term -u testdir/runtest.vim
+	VIMRUNTIME=$(VIMRUNTIME) $(VIMPROG) --clean --not-a-term -u testdir/runtest.vim
 
 
 clean testclean: