diff --git a/macros b/macros
index 7146f9a..cd32c84 100644
--- a/macros
+++ b/macros
@@ -214,9 +214,9 @@
 
 # Fail linking if there are undefined symbols.  Required for proper
 # ELF symbol versioning support.  Disabled by default.
-# Use "%define _strict_symbol_defs_build 1" to enable.
-#%_strict_symbol_defs_build	1
-%_ld_symbols_flags		%{?_strict_symbol_defs_build:-Wl,-z,defs}
+# Use "%define _ld_strict_symbol_defs 1" to enable.
+#%_ld_strict_symbol_defs		1
+%_ld_symbols_flags		%{?_ld_strict_symbol_defs:-Wl,-z,defs}
 
 %__global_compiler_flags	-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches %{_hardened_cflags} %{_annotated_cflags}