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-rw-r--r--src/main/Parameters.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/Parameters.c b/src/main/Parameters.c
index 98aedbd8..e8385b09 100644
--- a/src/main/Parameters.c
+++ b/src/main/Parameters.c
@@ -577,7 +577,7 @@ char *CCTK_ParameterValString (const char *param_name, const char *thorn)
break;
case PARAMETER_REAL:
- sprintf (buffer, "%g", (double) (*(const CCTK_REAL *) param_data));
+ sprintf (buffer, "%.20g", (double) (*(const CCTK_REAL *) param_data));
retval = strdup (buffer);
break;