diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2bad731d..d3fb4704 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1230,9 +1230,9 @@ endif(MDBX_INSTALL_STATIC)
 # collect options & build info
 if(NOT DEFINED MDBX_BUILD_TIMESTAMP)
   if(NOT "$ENV{SOURCE_DATE_EPOCH}" STREQUAL "")
-    set(FPTA_BUILD_TIMESTAMP "$ENV{SOURCE_DATE_EPOCH}")
+    set(MDBX_BUILD_TIMESTAMP "$ENV{SOURCE_DATE_EPOCH}")
   else()
-    string(TIMESTAMP FPTA_BUILD_TIMESTAMP UTC)
+    string(TIMESTAMP MDBX_BUILD_TIMESTAMP UTC)
   endif()
 endif()
 set(MDBX_BUILD_FLAGS ${CMAKE_C_FLAGS})