diff --git a/config/env.ini b/config/env.ini
index a3e9aa70..0be1abdf 100644
--- a/config/env.ini
+++ b/config/env.ini
@@ -53,8 +53,8 @@ PHP_BUILD_PROVIDER="StaticPHP ${SPC_VERSION}"
 SPC_ENABLE_LOG_FILE="yes"
 ; The LOG DIR for spc logs
 SPC_LOGS_DIR="${WORKING_DIR}/log"
-; Preserve old logs when running new builds
-SPC_PRESERVE_LOGS="no"
+; Preserve old logs when running new builds (code checks SPC_PRESERVE_LOG, not SPC_PRESERVE_LOGS)
+SPC_PRESERVE_LOG="no"
 
 ; EXTENSION_DIR where the built php will look for extension when a .ini instructs to load them
 ; only useful for builds targeting not pure-static linking