diff --git a/package/netsnmp/netsnmp.mk b/package/netsnmp/netsnmp.mk
index 904279d1fb..c97953c683 100644
--- a/package/netsnmp/netsnmp.mk
+++ b/package/netsnmp/netsnmp.mk
@@ -10,7 +10,9 @@ NETSNMP_SOURCE = net-snmp-$(NETSNMP_VERSION).tar.gz
 NETSNMP_LICENSE = Various BSD-like
 NETSNMP_LICENSE_FILES = COPYING
 NETSNMP_INSTALL_STAGING = YES
-NETSNMP_CONF_ENV = ac_cv_NETSNMP_CAN_USE_SYSCTL=no
+NETSNMP_CONF_ENV = \
+	ac_cv_NETSNMP_CAN_USE_SYSCTL=no \
+	ac_cv_path_PSPROG=/bin/ps
 NETSNMP_CONF_OPTS = \
 	--with-persistent-directory=/var/lib/snmp \
 	--with-defaults \