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-rw-r--r--src/grt/grt-images.adb2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/grt/grt-images.adb b/src/grt/grt-images.adb
index 828a9943e..d3c3e956a 100644
--- a/src/grt/grt-images.adb
+++ b/src/grt/grt-images.adb
@@ -173,7 +173,7 @@ package body Grt.Images is
procedure Ghdl_To_String_F64_Digits
(Res : Std_String_Ptr; Val : Ghdl_F64; Nbr_Digits : Ghdl_I32)
is
- Str : String (1 .. 128);
+ Str : String (1 .. 320 + Natural (Nbr_Digits));
P : Natural;
begin
To_String (Str, P, Val, Nbr_Digits);