diff --git a/libuavcan/include.mk b/libuavcan/include.mk
index 947063a8bb..e4f420cabc 100644
--- a/libuavcan/include.mk
+++ b/libuavcan/include.mk
@@ -9,7 +9,7 @@ UAVCAN_DIR := $(LIBUAVCAN_DIR)/../
 #
 # Library sources
 #
-LIBUAVCAN_SRC := $(shell find $(LIBUAVCAN_DIR)/src/ -type f -name '*.cpp')
+LIBUAVCAN_SRC := $(shell find $(LIBUAVCAN_DIR)/src -type f -name '*.cpp')
 
 LIBUAVCAN_INC := $(LIBUAVCAN_DIR)/include
 
diff --git a/libuavcan_drivers/stm32/driver/include.mk b/libuavcan_drivers/stm32/driver/include.mk
index 19533f9b5b..d52fc38b7b 100644
--- a/libuavcan_drivers/stm32/driver/include.mk
+++ b/libuavcan_drivers/stm32/driver/include.mk
@@ -4,6 +4,6 @@
 
 LIBUAVCAN_STM32_DIR := $(dir $(lastword $(MAKEFILE_LIST)))
 
-LIBUAVCAN_STM32_SRC := $(shell find $(LIBUAVCAN_STM32_DIR)/src/ -type f -name '*.cpp')
+LIBUAVCAN_STM32_SRC := $(shell find $(LIBUAVCAN_STM32_DIR)/src -type f -name '*.cpp')
 
 LIBUAVCAN_STM32_INC := $(LIBUAVCAN_STM32_DIR)/include/