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-rw-r--r--prism/extension.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/prism/extension.c b/prism/extension.c
index 7abd93ec62..dca2ee67a1 100644
--- a/prism/extension.c
+++ b/prism/extension.c
@@ -1372,7 +1372,7 @@ Init_prism(void) {
/**
* The version of the prism library.
*/
- rb_define_const(rb_cPrism, "VERSION", rb_str_new2(EXPECTED_PRISM_VERSION));
+ rb_define_const(rb_cPrism, "VERSION", rb_str_freeze(rb_str_new_cstr(EXPECTED_PRISM_VERSION)));
// First, the functions that have to do with lexing and parsing.
rb_define_singleton_method(rb_cPrism, "lex", lex, -1);