diff --git a/Makefile.config.in b/Makefile.config.in
index 266800f81d7..bf12c05825a 100644
--- a/Makefile.config.in
+++ b/Makefile.config.in
@@ -90,7 +90,7 @@ BYTECODE_REPOSITORY := @BCR@
 @USE_SPEC95@
 
 # Path to the SPEC benchmarks.
-SPEC_ROOT := @SPEC2000_ROOT@
+SPEC2000_ROOT := @SPEC2000_ROOT@
 SPEC95_ROOT := @SPEC95_ROOT@
 
 # Path to the Povray source code.