diff --git a/tests/Regression/bz455360-RHEL4-vfprintf-call-goes-into-recursive/main.fmf b/tests/Regression/bz455360-RHEL4-vfprintf-call-goes-into-recursive/main.fmf
index da5ba66..a737a0a 100644
--- a/tests/Regression/bz455360-RHEL4-vfprintf-call-goes-into-recursive/main.fmf
+++ b/tests/Regression/bz455360-RHEL4-vfprintf-call-goes-into-recursive/main.fmf
@@ -77,6 +77,7 @@ test: ./runtest.sh
 framework: beakerlib
 recommend:
   - glibc
+  - gcc
 tag:
   - simple
   - tier1_mfranc
diff --git a/tests/Regression/bz455360-RHEL4-vfprintf-call-goes-into-recursive/testcase.c b/tests/Regression/bz455360-RHEL4-vfprintf-call-goes-into-recursive/testcase.c
index 05c7a33..22f9419 100644
--- a/tests/Regression/bz455360-RHEL4-vfprintf-call-goes-into-recursive/testcase.c
+++ b/tests/Regression/bz455360-RHEL4-vfprintf-call-goes-into-recursive/testcase.c
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 
 int
 main (void)