diff --git a/mk/config.mk.in b/mk/config.mk.in
index 0f7dc76fb63ceffe686dbc46d59ad4c99c872409..d8fdf44f114499e32f5de489ad56a1e98b1a9c64 100644
--- a/mk/config.mk.in
+++ b/mk/config.mk.in
@@ -220,7 +220,7 @@ GhcLibHcOpts=-O
 # Win32 only: Enable the RTS and libraries to be built as DLLs
 # Don't split object files for libs if we're building DLLs
 EnableWin32DLLs=@EnableWin32DLLs@
-ifeq "($EnableWin32DLLs)" "YES"
+ifeq "$(EnableWin32DLLs)" "YES"
 SplitObjs=NO
 else
 SplitObjs=YES