diff --git a/otherarch/llama-util.h b/otherarch/llama-util.h
index 68dd42032..0eb55e79a 100644
--- a/otherarch/llama-util.h
+++ b/otherarch/llama-util.h
@@ -223,7 +223,7 @@ struct llama_v3_mmap {
 #endif
         addr = mmap(NULL, file->size, PROT_READ, flags, fd, 0);
         if (addr == MAP_FAILED) {
-            throw std::runtime_error(format("mmap failed: %s", strerror(errno)));
+            throw std::runtime_error(format_old("mmap failed: %s", strerror(errno)));
         }
 
         if (prefetch > 0) {
diff --git a/otherarch/llama_v2-util.h b/otherarch/llama_v2-util.h
index 862c2abb9..41b6df386 100644
--- a/otherarch/llama_v2-util.h
+++ b/otherarch/llama_v2-util.h
@@ -171,7 +171,7 @@ struct llama_v2_mmap {
 #endif
         addr = mmap(NULL, file->size, PROT_READ, flags, fd, 0);
         if (addr == MAP_FAILED) {
-            throw std::runtime_error(format("mmap failed: %s", strerror(errno)));
+            throw std::runtime_error(format_old("mmap failed: %s", strerror(errno)));
         }
 
         if (prefetch) {