diff --git a/lib/real/pow.c b/lib/real/pow.c
index 4dcd0165..75435723 100644
--- a/lib/real/pow.c
+++ b/lib/real/pow.c
@@ -45,7 +45,7 @@
 #ifdef __clang__
 # pragma clang diagnostic ignored "-Wunused-variable"
 # pragma clang diagnostic ignored "-Wstrict-aliasing"
-#elif defined(__GNUG__) && __GNUC__ > 2
+#elif defined(__GNUC__) && __GNUC__ > 2
 # pragma GCC diagnostic ignored "-Wunused-but-set-variable"
 # pragma GCC diagnostic ignored "-Wstrict-aliasing"
 #endif