diff --git a/src/tss2-tcti/tctildr-dl.c b/src/tss2-tcti/tctildr-dl.c
index b364695c..b13be3ef 100644
--- a/src/tss2-tcti/tctildr-dl.c
+++ b/src/tss2-tcti/tctildr-dl.c
@@ -85,7 +85,15 @@ handle_from_name(const char *file,
if (handle == NULL) {
return TSS2_TCTI_RC_BAD_REFERENCE;
}
- *handle = dlopen(file, RTLD_NOW);
+ size = snprintf(file_xfrm,
+ sizeof (file_xfrm),
+ "@PREFIX@%s",
+ file);
+ if (size >= sizeof (file_xfrm)) {
+ LOG_ERROR("TCTI name truncated in transform.");
+ return TSS2_TCTI_RC_BAD_VALUE;
+ }
+ *handle = dlopen(file_xfrm, RTLD_NOW);
if (*handle != NULL) {
return TSS2_RC_SUCCESS;
} else {
@@ -94,7 +102,7 @@ handle_from_name(const char *file,
/* 'name' alone didn't work, try libtss2-tcti-<name>.so.0 */
size = snprintf(file_xfrm,
sizeof (file_xfrm),
- TCTI_NAME_TEMPLATE_0,
+ "@PREFIX@" TCTI_NAME_TEMPLATE_0,
file);
if (size >= sizeof (file_xfrm)) {
LOG_ERROR("TCTI name truncated in transform.");
@@ -109,7 +117,7 @@ handle_from_name(const char *file,
/* libtss2-tcti-<name>.so.0 didn't work, try libtss2-tcti-<name>.so */
size = snprintf(file_xfrm,
sizeof (file_xfrm),
- TCTI_NAME_TEMPLATE,
+ "@PREFIX@" TCTI_NAME_TEMPLATE,
file);
if (size >= sizeof (file_xfrm)) {
LOG_ERROR("TCTI name truncated in transform.");