diff --git a/net/pacparser/Portfile b/net/pacparser/Portfile
index 1b8dc0fc6e00d..bfeb6dc1024d2 100644
--- a/net/pacparser/Portfile
+++ b/net/pacparser/Portfile
@@ -2,8 +2,9 @@
 
 PortSystem          1.0
 PortGroup           github 1.0
+PortGroup           makefile 1.0
 
-github.setup        pacparser pacparser 1.4.5 v
+github.setup        manugarg pacparser 1.4.5 v
 github.tarball_from archive
 revision            0
 
@@ -19,6 +20,12 @@ checksums           rmd160  941b9aa469ce95cd4da79f76ff306ca1e63762f1 \
                     sha256  fac205f41d000e245519244dc3e730e649a0ac1c61b5f2d1d0660056e1680b2d \
                     size    905331
 
-use_configure       no
 worksrcdir          ${worksrcpath}/src
+
+# https://github.com/manugarg/pacparser/issues/211
+if {[string match *gcc-4.* ${configure.compiler}]} {
+    build.cmd-prepend \
+                    CFLAGS=-std=c99
+}
+
 destroot.args       PREFIX=${destroot}${prefix}