diff --git a/mold.spec b/mold.spec
index 6aeae9c..0f38d9f 100644
--- a/mold.spec
+++ b/mold.spec
@@ -43,7 +43,7 @@ BuildRequires:	glibc-static
 %ifarch x86_64
 BuildRequires:	/usr/lib/libc.a
 %endif
-%if 0%{!?el8}
+%if ! 0%{?el8}
 BuildRequires:	libdwarf-tools
 %endif
 BuildRequires:	libstdc++-static