diff --git a/misc/factor.sh b/misc/factor.sh
index 04bf73f14d..efd1bc64ea 100755
--- a/misc/factor.sh
+++ b/misc/factor.sh
@@ -244,6 +244,7 @@ set_build_info() {
 }
 
 find_build_info() {
+    ensure_program_installed egcc gcc
     find_os
     find_architecture
     find_word_size