diff --git a/src/platform/tests/Makefile.am b/src/platform/tests/Makefile.am
index 5a924f024..713d12fdf 100644
--- a/src/platform/tests/Makefile.am
+++ b/src/platform/tests/Makefile.am
@@ -35,15 +35,15 @@ noinst_PROGRAMS = \
 
 EXTRA_DIST = test-common.h
 
-monitor_SOURCES = monitor.c
+monitor_SOURCES = monitor.c $(PLATFORM_SOURCES)
 monitor_CPPFLAGS = $(AM_CPPFLAGS)
 monitor_LDADD = $(PLATFORM_LDADD)
 
-dump_SOURCES = dump.c
+dump_SOURCES = dump.c $(PLATFORM_SOURCES)
 dump_CPPFLAGS = $(AM_CPPFLAGS)
 dump_LDADD = $(PLATFORM_LDADD)
 
-platform_SOURCES = platform.c
+platform_SOURCES = platform.c $(PLATFORM_SOURCES)
 platform_CPPFLAGS = $(AM_CPPFLAGS)
 platform_LDADD = $(PLATFORM_LDADD)