diff --git a/tests/scanner.at b/tests/scanner.at
index 543d5cfca..39abf6936 100644
--- a/tests/scanner.at
+++ b/tests/scanner.at
@@ -189,7 +189,7 @@ AT_FULL_COMPILE([input])
 # yacc.c, glr.c and glr.cc use 'yytranslate' (and YYTRANSLATE).
 # lalr1.cc uses 'translate_table' (and yytranslate_).
 # lalr1.d uses 'byte[] translate_table =' (and yytranslate_).
-AT_CHECK([[grep -Ec 'yytranslate\[\]|translate_table\[\]|translate_table =' input.]AT_LANG_EXT],
+AT_CHECK([[$EGREP -c 'yytranslate\[\]|translate_table\[\]|translate_table =' input.]AT_LANG_EXT],
          [ignore],
          [AT_TOKEN_RAW_IF([0], [1])[
 ]])