Index: uspace/lib/c/arch/amd64/src/stacktrace.c
===================================================================
--- uspace/lib/c/arch/amd64/src/stacktrace.c	(revision 3e6a98c595287c43d200d28d97f57755342be117)
+++ uspace/lib/c/arch/amd64/src/stacktrace.c	(revision b5143bd82217d3abb5c20adca5ee226d2e030878)
@@ -51,10 +51,10 @@
 int stacktrace_fp_prev(stacktrace_t *st, uintptr_t fp, uintptr_t *prev)
 {
-	return (*st->read_uintptr)(st->op_arg, fp + FRAME_OFFSET_FP_PREV, prev);
+	return (*st->ops->read_uintptr)(st->op_arg, fp + FRAME_OFFSET_FP_PREV, prev);
 }
 
 int stacktrace_ra_get(stacktrace_t *st, uintptr_t fp, uintptr_t *ra)
 {
-	return (*st->read_uintptr)(st->op_arg, fp + FRAME_OFFSET_RA, ra);
+	return (*st->ops->read_uintptr)(st->op_arg, fp + FRAME_OFFSET_RA, ra);
 }