diff --git a/sys/shm/Makefile.am b/sys/shm/Makefile.am
index fdc034b71c..bfe7b49feb 100644
--- a/sys/shm/Makefile.am
+++ b/sys/shm/Makefile.am
@@ -5,7 +5,7 @@ include $(top_srcdir)/common/glib-gen.mak
 plugin_LTLIBRARIES = libgstshm.la
 
 libgstshm_la_SOURCES = shmpipe.c shmalloc.c gstshm.c gstshmsrc.c gstshmsink.c
-libgstshm_la_CFLAGS = $(GST_CFLAGS)
+libgstshm_la_CFLAGS = $(GST_CFLAGS) -DSHM_PIPE_USE_GLIB
 libgstshm_la_LIBADD = -lrt
 libgstshm_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) $(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS)
 libgstshm_la_LIBTOOLFLAGS = --tag=disable-static
diff --git a/sys/shm/shmalloc.h b/sys/shm/shmalloc.h
index d5aa581ef2..c3d33656a7 100644
--- a/sys/shm/shmalloc.h
+++ b/sys/shm/shmalloc.h
@@ -27,7 +27,7 @@
 #ifndef __SHMALLOC_H__
 #define __SHMALLOC_H__
 
-#ifdef GST_PACKAGE_NAME
+#ifdef SHM_PIPE_USE_GLIB
 #include <glib.h>
 
 #define spalloc_new(type) g_slice_new (type)