diff --git a/libs/parser/rules/pslang.l b/libs/parser/rules/pslang.l
index 481a43d..41a6998 100644
--- a/libs/parser/rules/pslang.l
+++ b/libs/parser/rules/pslang.l
@@ -105,7 +105,7 @@ f64  { return bp::make_f64(ctx.location); }
 
 [0-9]+\.[0-9]+  { return bp::make_lit_f32(yytext, ctx.location); }
 [0-9]+\.[0-9]+h { return bp::make_lit_f16(yytext, ctx.location); }
-[0-9]+\.[0-9]+l { return bp::make_lit_f64(yytext, ctx.location); }
+[0-9]+\.[0-9]+d { return bp::make_lit_f64(yytext, ctx.location); }
 
 '.' { return bp::make_lit_char8(yytext[1], ctx.location); }
 '\\n' { return bp::make_lit_char8(10, ctx.location); }