diff --git a/build.c b/build.c
index f0fc461..5c1295b 100644
--- a/build.c
+++ b/build.c
@@ -3,7 +3,7 @@
 ///
 // Build config stuff
 #define VERY_DEBUG 0
-#define RUN_TESTS 0
+#define RUN_TESTS 1
 
 typedef struct Context_Extra {
 	int monkee;
diff --git a/main.c b/main.c
index 5de451c..580dcc3 100644
--- a/main.c
+++ b/main.c
@@ -43,14 +43,14 @@ int oogabooga_main(int argc, char **argv) {
 	(void)hello;
 
 #ifdef DEBUG
-	printf("Hello, balls! (debug)\n");
+	print("Hello, balls! (debug)\n");
 #endif
 
 #ifdef RELEASE
-	printf("Hello, balls! (release)\n");
+	print("Hello, balls! (release)\n");
 #endif
 
-	printf("Program exit as expected\n");
+	print("Program exit as expected\n");
 
   return 0;
 }
diff --git a/oogabooga/oogabooga.c b/oogabooga/oogabooga.c
index f4a4799..d40ef60 100644
--- a/oogabooga/oogabooga.c
+++ b/oogabooga/oogabooga.c
@@ -1,4 +1,14 @@
 
+#if !defined(DEBUG) && !defined(RELEASE)
+
+#ifdef _DEBUG
+#define DEBUG
+#elif defined(NDEBUG)
+#define RELEASE
+#endif
+
+#endif
+
 #ifdef _WIN32
 	#include <Windows.h>
 	#define OS_WINDOWS
diff --git a/oogabooga/os_interface.c b/oogabooga/os_interface.c
index 20116f8..dedee8b 100644
--- a/oogabooga/os_interface.c
+++ b/oogabooga/os_interface.c
@@ -220,7 +220,7 @@ void print_va_list_buffered(const string fmt, va_list args) {
 }
 
 // context.allocator (alloc & dealloc)
-void print(const string fmt, ...) {
+void prints(const string fmt, ...) {
 	va_list args;
 	va_start(args, fmt);
 	print_va_list_buffered(fmt, args);
@@ -237,7 +237,11 @@ void printf(const char* fmt, ...) {
 	va_end(args);
 }
 
-
+#define FIRST_ARG(arg1, ...) arg1
+#define print(...) _Generic((FIRST_ARG(__VA_ARGS__)), \
+                           string: prints, \
+                           default: printf \
+                          )(__VA_ARGS__)
 ///
 ///
 // Memory
diff --git a/oogabooga/string.c b/oogabooga/string.c
index fd6c218..90a2bb6 100644
--- a/oogabooga/string.c
+++ b/oogabooga/string.c
@@ -51,7 +51,7 @@ typedef struct string {
 void push_temp_allocator();
 
 #define cstr const_string
-#define const_string(s) (string){ length_of_null_terminated_string(s), (u8*)s }
+#define const_string(s) ((string){ length_of_null_terminated_string(s), (u8*)s })
 
 inline u64 length_of_null_terminated_string(const char* cstring) {
 	u64 len = 0;
diff --git a/oogabooga/tests.c b/oogabooga/tests.c
index 1343f5d..8e32249 100644
--- a/oogabooga/tests.c
+++ b/oogabooga/tests.c
@@ -299,7 +299,7 @@ void test_strings() {
 
     // Test print and printf (visual inspection)
     printf("Expected output: Hello, World!\n");
-    print(const_string("Hello, %s!\n"), const_string("World"));
+    print("Hello, %s!\n", const_string("World"));
 
     printf("Expected output: Number: 1234\n");
     print(const_string("Number: %d\n"), 1234);