diff --git a/Makefile b/Makefile
index 52dbba5..10168e9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,10 @@
 # External variables
-CC             ?= clang
-CXX            ?= clang++
-AR             ?= ar
-BUILD_TYPE     ?= Debug
-BUILD_DIR      ?= libwapp-build/$(PLATFORM)-$(BUILD_TYPE)
-INSTALL_PREFIX ?= dist
+CC             = clang
+CXX            = clang++
+AR             = ar
+BUILD_TYPE     = Debug
+BUILD_DIR      = libwapp-build/$(PLATFORM)-$(BUILD_TYPE)
+INSTALL_PREFIX = dist
 
 # Internal variables
 override CFLAGS              = -Wall -Wextra -Werror -pedantic -Isrc
@@ -87,7 +87,7 @@ core: LIB_SRC = src/core/wapp_core.c
 core: INCLUDES = common core primitives
 core: install
 
-primitives: LIB_SRC = src/core/wapp_primitives.c
+primitives: LIB_SRC = src/primitives/wapp_primitives.c
 primitives: INCLUDES = common primitives
 primitives: install