diff --git a/release/src-rt-6.x.4708/router/Makefile b/release/src-rt-6.x.4708/router/Makefile
index 3c23477616..a277aae9cc 100644
--- a/release/src-rt-6.x.4708/router/Makefile
+++ b/release/src-rt-6.x.4708/router/Makefile
@@ -2715,6 +2715,7 @@ getdns/build/Makefile:
 		-DCMAKE_DISABLE_FIND_PACKAGE_Libsystemd=TRUE \
 		-DUSE_LIBIDN2=FALSE \
 		-DSTRPTIME_WORKS_EXITCODE=0 \
+		-DSTRPTIME_WORKS_EXITCODE__TRYRUN_OUTPUT=1 \
 		..
 
 getdns: $(OPENSSLDIR) libyaml getdns/build/Makefile