diff --git a/tests/binary/Makefile.Darwin b/tests/binary/Makefile.Darwin
index 785f32e..304b934 100644
--- a/tests/binary/Makefile.Darwin
+++ b/tests/binary/Makefile.Darwin
@@ -57,7 +57,7 @@ $(OBJDIR)test4.o: test4.asm
 	$(AS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.asm
 
 $(OBJDIR)test4.o: test4.S
-	$(AS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.S
+	$(AS) $(test4_CPPFLAGS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.S
 
 clean:
 	$(RM) -- $(test_OBJS) $(test2_OBJS) $(test3_OBJS) $(test4_OBJS)
diff --git a/tests/binary/Makefile.DeforaOS b/tests/binary/Makefile.DeforaOS
index 92e31bd..36ba06a 100644
--- a/tests/binary/Makefile.DeforaOS
+++ b/tests/binary/Makefile.DeforaOS
@@ -57,7 +57,7 @@ $(OBJDIR)test4.o: test4.asm
 	$(AS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.asm
 
 $(OBJDIR)test4.o: test4.S
-	$(AS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.S
+	$(AS) $(test4_CPPFLAGS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.S
 
 clean:
 	$(RM) -- $(test_OBJS) $(test2_OBJS) $(test3_OBJS) $(test4_OBJS)
diff --git a/tests/binary/Makefile.NetBSD b/tests/binary/Makefile.NetBSD
index 5f8ddfc..79ea620 100644
--- a/tests/binary/Makefile.NetBSD
+++ b/tests/binary/Makefile.NetBSD
@@ -57,7 +57,7 @@ $(OBJDIR)test4.o: test4.asm
 	$(AS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.asm
 
 $(OBJDIR)test4.o: test4.S
-	$(AS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.S
+	$(AS) $(test4_CPPFLAGS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.S
 
 clean:
 	$(RM) -- $(test_OBJS) $(test2_OBJS) $(test3_OBJS) $(test4_OBJS)
diff --git a/tests/binary/Makefile.Windows b/tests/binary/Makefile.Windows
index 9c41eb9..65db226 100644
--- a/tests/binary/Makefile.Windows
+++ b/tests/binary/Makefile.Windows
@@ -57,7 +57,7 @@ $(OBJDIR)test4.o: test4.asm
 	$(AS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.asm
 
 $(OBJDIR)test4.o: test4.S
-	$(AS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.S
+	$(AS) $(test4_CPPFLAGS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.S
 
 clean:
 	$(RM) -- $(test_OBJS) $(test2_OBJS) $(test3_OBJS) $(test4_OBJS)