diff --git a/libvmime.spec b/libvmime.spec
index 20356ea..99651df 100644
--- a/libvmime.spec
+++ b/libvmime.spec
@@ -109,9 +109,7 @@ cf="%optflags -DVMIME_ALWAYS_GENERATE_7BIT_PARAMETER=1"
 cmake . \
 	-DVMIME_SENDMAIL_PATH:STRING="%_sbindir/sendmail" \
 	-DVMIME_BUILD_SAMPLES:BOOL=OFF \
-%if 0%{?is_opensuse}
-	-DVMIME_HAVE_SASL_SUPPORT:BOOL=ON \
-%else
+%if !0%{?is_opensuse}
 	-DVMIME_HAVE_SASL_SUPPORT:BOOL=OFF \
 %endif
 	-DVMIME_HAVE_TLS_SUPPORT:BOOL=ON \