diff --git a/include/zenkit-capi/Texture.h b/include/zenkit-capi/Texture.h
index 5b83ae1..684376c 100644
--- a/include/zenkit-capi/Texture.h
+++ b/include/zenkit-capi/Texture.h
@@ -11,6 +11,7 @@ using ZkTexture = zenkit::Texture;
 using ZkTextureBuilder = zenkit::TextureBuilder;
 #else
 typedef struct ZkInternal_Texture ZkTexture;
+typedef struct ZkInternal_TextureBuilder ZkTextureBuilder;
 #endif
 
 typedef enum {
@@ -61,5 +62,5 @@ ZKC_API void ZkTexture_enumerateRgbaMipmaps(ZkTexture const* slf, ZkTextureMipma
 ZKC_API ZkTextureBuilder* ZkTextureBuilder_new(ZkSize width, ZkSize height);
 ZKC_API void ZkTextureBuilder_del(ZkTextureBuilder* slf);
 
-ZKC_API bool ZkTextureBuilder_addMipmap(ZkTextureBuilder* slf, ZkByte* buf, ZkSize len, ZkTextureFormat fmt);
+ZKC_API ZkBool ZkTextureBuilder_addMipmap(ZkTextureBuilder* slf, ZkByte* buf, ZkSize len, ZkTextureFormat fmt);
 ZKC_API ZkTexture* ZkTextureBuilder_build(ZkTextureBuilder* slf, ZkTextureFormat fmt);
diff --git a/src/Texture.cc b/src/Texture.cc
index fc313b2..d0d73ee 100644
--- a/src/Texture.cc
+++ b/src/Texture.cc
@@ -132,15 +132,14 @@ void ZkTexture_enumerateRgbaMipmaps(ZkTexture const* slf, ZkTextureMipmapEnumera
 
 ZkTextureBuilder* ZkTextureBuilder_new(ZkSize width, ZkSize height) {
 	ZKC_TRACE_FN();
-
 	return new ZkTextureBuilder {static_cast<unsigned int>(width), static_cast<unsigned int>(height)};
 }
 
 void ZkTextureBuilder_del(ZkTextureBuilder* slf) {
-	delete[] slf;
+	delete slf;
 }
 
-bool ZkTextureBuilder_addMipmap(ZkTextureBuilder* slf, ZkByte* buf, ZkSize len, ZkTextureFormat fmt) {
+ZkBool ZkTextureBuilder_addMipmap(ZkTextureBuilder* slf, ZkByte* buf, ZkSize len, ZkTextureFormat fmt) {
 	ZKC_TRACE_FN();
 	ZKC_CHECK_NULL(slf, buf);