diff --git a/unit_tests/rules.mk b/unit_tests/rules.mk
index 1f940eda1d..3df9301610 100644
--- a/unit_tests/rules.mk
+++ b/unit_tests/rules.mk
@@ -11,6 +11,14 @@ endif
 BINARY_OUTPUT = $(BUILDDIR)/$(PROJECT)
 SHARED_OUTPUT = $(BUILDDIR)/lib_$(PROJECT)
 
+ifeq ($(OS),Windows_NT)
+    # todo: something is not right here how can we avoid explicit suffix?
+    # should not gcc figure it out based on 'shared' option?
+	SHARED_OUTPUT_OPT = $(SHARED_OUTPUT).dll
+else
+	SHARED_OUTPUT_OPT = $(SHARED_OUTPUT).so
+endif
+
 # Automatic compiler options
 OPT = $(USE_OPT)
 COPT = $(USE_COPT)
@@ -131,14 +139,6 @@ else
 	@$(CC) -c $(ASXFLAGS) $(TOPT) -I. $(IINCDIR) $< -o $@
 endif
 
-ifneq ($(OS),Windows_NT)
-    # todo: something is not right here how can we avoid explicit suffix?
-    # should not gcc figure it out based on 'shared' option?
-	SHARED_OUTPUT_OPT = $(SHARED_OUTPUT).dll
-else
-	SHARED_OUTPUT_OPT = $(SHARED_OUTPUT).so
-endif
-
 $(BINARY_OUTPUT): $(OBJS)
 	rm -rf $(BUILDDIR)/obj/*gcda
 ifeq ($(USE_VERBOSE_COMPILE),yes)