diff --git a/arduino-mk/Arduino.mk b/arduino-mk/Arduino.mk
index 09819ac..ae9a73e 100644
--- a/arduino-mk/Arduino.mk
+++ b/arduino-mk/Arduino.mk
@@ -507,7 +507,7 @@ ECHO    = echo
 
 # General arguments
 SYS_LIBS      = $(patsubst %,$(ARDUINO_LIB_PATH)/%,$(ARDUINO_LIBS))
-USER_LIBS     = $(patsubst %,$(USER_LIB_PATH)/%,$(ARDUINO_LIBS))
+USER_LIBS     = $(patsubst %,$(USER_LIB_PATH)/%,$(ARDUINO_USR_LIBS))
 SYS_INCLUDES  = $(patsubst %,-I%,$(SYS_LIBS))
 USER_INCLUDES = $(patsubst %,-I%,$(USER_LIBS))
 LIB_C_SRCS    = $(wildcard $(patsubst %,%/*.c,$(SYS_LIBS)))