diff --git a/tests/binary/Makefile.Darwin b/tests/binary/Makefile.Darwin
index 304b934..739d4ff 100644
--- a/tests/binary/Makefile.Darwin
+++ b/tests/binary/Makefile.Darwin
@@ -54,10 +54,10 @@ $(OBJDIR)test3.o: test3.cpp
 	$(CXX) $(test3_CXXFLAGS) -o $(OBJDIR)test3.o -c test3.cpp
 
 $(OBJDIR)test4.o: test4.asm
-	$(AS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.asm
+	$(AS) $(test4_ASFLAGS) -m32 -o $(OBJDIR)test4.o test4.asm
 
 $(OBJDIR)test4.o: test4.S
-	$(AS) $(test4_CPPFLAGS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.S
+	$(AS) $(test4_CPPFLAGS) -nostdinc $(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 36ba06a..23b5209 100644
--- a/tests/binary/Makefile.DeforaOS
+++ b/tests/binary/Makefile.DeforaOS
@@ -54,10 +54,10 @@ $(OBJDIR)test3.o: test3.cpp
 	$(CXX) $(test3_CXXFLAGS) -o $(OBJDIR)test3.o -c test3.cpp
 
 $(OBJDIR)test4.o: test4.asm
-	$(AS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.asm
+	$(AS) $(test4_ASFLAGS) -m32 -o $(OBJDIR)test4.o test4.asm
 
 $(OBJDIR)test4.o: test4.S
-	$(AS) $(test4_CPPFLAGS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.S
+	$(AS) $(test4_CPPFLAGS) -nostdinc $(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 79ea620..c76ad35 100644
--- a/tests/binary/Makefile.NetBSD
+++ b/tests/binary/Makefile.NetBSD
@@ -54,10 +54,10 @@ $(OBJDIR)test3.o: test3.cpp
 	$(CXX) $(test3_CXXFLAGS) -o $(OBJDIR)test3.o -c test3.cpp
 
 $(OBJDIR)test4.o: test4.asm
-	$(AS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.asm
+	$(AS) $(test4_ASFLAGS) -m32 -o $(OBJDIR)test4.o test4.asm
 
 $(OBJDIR)test4.o: test4.S
-	$(AS) $(test4_CPPFLAGS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.S
+	$(AS) $(test4_CPPFLAGS) -nostdinc $(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 65db226..dbc2095 100644
--- a/tests/binary/Makefile.Windows
+++ b/tests/binary/Makefile.Windows
@@ -54,10 +54,10 @@ $(OBJDIR)test3.o: test3.cpp
 	$(CXX) $(test3_CXXFLAGS) -o $(OBJDIR)test3.o -c test3.cpp
 
 $(OBJDIR)test4.o: test4.asm
-	$(AS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.asm
+	$(AS) $(test4_ASFLAGS) -m32 -o $(OBJDIR)test4.o test4.asm
 
 $(OBJDIR)test4.o: test4.S
-	$(AS) $(test4_CPPFLAGS) $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.S
+	$(AS) $(test4_CPPFLAGS) -nostdinc $(test4_ASFLAGS) -o $(OBJDIR)test4.o test4.S
 
 clean:
 	$(RM) -- $(test_OBJS) $(test2_OBJS) $(test3_OBJS) $(test4_OBJS)
diff --git a/tests/binary/project.conf b/tests/binary/project.conf
index ae9f9e3..f6f7782 100644
--- a/tests/binary/project.conf
+++ b/tests/binary/project.conf
@@ -19,3 +19,9 @@ ldflags=-ldl -lsocket -lm
 [test4]
 type=binary
 sources=test4.asm,test4.S
+
+[test4.asm]
+asflags=-m32
+
+[test4.S]
+cppflags=-nostdinc