diff --git a/sysdeps/solaris/Makefile.am b/sysdeps/solaris/Makefile.am
index b3d3d513..663b4b18 100644
--- a/sysdeps/solaris/Makefile.am
+++ b/sysdeps/solaris/Makefile.am
@@ -16,7 +16,8 @@ libgtop_sysdeps_2_0_la_LDFLAGS	= $(LT_VERSION_INFO)
 libgtop_sysdeps_2_0_la_LIBADD	= @DL_LIB@
 
 libgtop_sysdeps_suid_2_0_la_SOURCES	= open_suid.c close_suid.c \
-				  shm_limits.c msg_limits.c sem_limits.c
+				  shm_limits.c msg_limits.c sem_limits.c \
+				  procio.c
 
 libgtop_sysdeps_suid_2_0_la_LDFLAGS	= $(LT_VERSION_INFO)
 
diff --git a/sysdeps/solaris/procio.c b/sysdeps/solaris/procio.c
index a4846aee..9b2313ee 100644
--- a/sysdeps/solaris/procio.c
+++ b/sysdeps/solaris/procio.c
@@ -21,6 +21,7 @@
 
 #include <config.h>
 #include <glibtop.h>
+#include <glibtop/error.h>
 #include <glibtop/procio.h>
 
 static const unsigned long _glibtop_sysdeps_proc_io = 0;
@@ -40,4 +41,5 @@ glibtop_get_proc_io_s (glibtop *server, glibtop_proc_io *buf,
 			 pid_t pid)
 {
 	memset (buf, 0, sizeof (glibtop_proc_io));
+	buf->flags = _glibtop_sysdeps_proc_io;
 }