diff --git a/configure.ac b/configure.ac
index 3f75266..353f91a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1536,7 +1536,7 @@ AC_ARG_ENABLE([llvm-shared-libs],
     [AS_HELP_STRING([--enable-llvm-shared-libs],
         [link with LLVM shared libraries @<:@default=enabled@:>@])],
     [],
-    [with_llvm_shared_libs=yes])
+    [enable_llvm_shared_libs=yes])
 
 AC_ARG_WITH([llvm-prefix],
     [AS_HELP_STRING([--with-llvm-prefix],
@@ -1873,7 +1873,7 @@ if test "x$MESA_LLVM" != x0; then
 
     LLVM_LIBS="`$LLVM_CONFIG --libs ${LLVM_COMPONENTS}`"
 
-    if test "x$with_llvm_shared_libs" = xyes; then
+    if test "x$enable_llvm_shared_libs" = xyes; then
         dnl We can't use $LLVM_VERSION because it has 'svn' stripped out,
         LLVM_SO_NAME=LLVM-`$LLVM_CONFIG --version`
         AS_IF([test -f "$LLVM_LIBDIR/lib$LLVM_SO_NAME.so"], [llvm_have_one_so=yes])