diff --git a/tests/test_image.c b/tests/test_image.c
index e23d4a04..764ce331 100644
--- a/tests/test_image.c
+++ b/tests/test_image.c
@@ -1 +1,3 @@
+#define STB_IMAGE_STATIC
+#define STB_IMAGE_IMPLEMENTATION
 #include "stb_image.h"
\ No newline at end of file
diff --git a/tests/test_image_write.c b/tests/test_image_write.c
index cf230259..52c3b448 100644
--- a/tests/test_image_write.c
+++ b/tests/test_image_write.c
@@ -1 +1,3 @@
+#define STB_IMAGE_WRITE_IMPLEMENTATION
+#define STB_IMAGE_WRITE_STATIC
 #include "stb_image_write.h"
\ No newline at end of file