diff --git a/src/spell.c b/src/spell.c
index d1ae58c8b..0de80e9e8 100644
--- a/src/spell.c
+++ b/src/spell.c
@@ -1028,7 +1028,7 @@ boolean atme;
 		break;
 	case SPE_JUMPING:
 		if (!jump(max(role_skill,1)))
-			pline(nothing_happens);
+			pline("%s", nothing_happens);
 		break;
 	default:
 		impossible("Unknown spell %d attempted.", spell);