diff --git a/Target/Demo/ARMCM4_STM32F3_Nucleo_F303K8_GCC/Boot/makefile b/Target/Demo/ARMCM4_STM32F3_Nucleo_F303K8_GCC/Boot/makefile
index 42fbe865..48180741 100644
--- a/Target/Demo/ARMCM4_STM32F3_Nucleo_F303K8_GCC/Boot/makefile
+++ b/Target/Demo/ARMCM4_STM32F3_Nucleo_F303K8_GCC/Boot/makefile
@@ -167,7 +167,7 @@ PROJ_CHDRS  = $(filter %.h,$(foreach file,$(PROJ_FILES),$(notdir $(file))))
 VPATH    = $(foreach path,$(sort $(foreach file,$(PROJ_FILES),$(dir $(file)))) $(subst \,/,$(OBJ_PATH)),$(path) :)
 OBJ_PATH = obj
 BIN_PATH = bin
-INC_PATH = $(patsubst %,-I%,$(sort $(foreach file,$(filter %.h,$(PROJ_FILES)),$(dir $(file)))))
+INC_PATH = $(patsubst %/,%,$(patsubst %,-I%,$(sort $(foreach file,$(filter %.h,$(PROJ_FILES)),$(dir $(file))))))
 LIB_PATH  = 
 
 
diff --git a/Target/Demo/ARMCM4_STM32F3_Nucleo_F303K8_GCC/Prog/makefile b/Target/Demo/ARMCM4_STM32F3_Nucleo_F303K8_GCC/Prog/makefile
index 52ca0af2..33373f66 100644
--- a/Target/Demo/ARMCM4_STM32F3_Nucleo_F303K8_GCC/Prog/makefile
+++ b/Target/Demo/ARMCM4_STM32F3_Nucleo_F303K8_GCC/Prog/makefile
@@ -137,7 +137,7 @@ PROJ_CHDRS  = $(filter %.h,$(foreach file,$(PROJ_FILES),$(notdir $(file))))
 VPATH    = $(foreach path,$(sort $(foreach file,$(PROJ_FILES),$(dir $(file)))) $(subst \,/,$(OBJ_PATH)),$(path) :)
 OBJ_PATH = obj
 BIN_PATH = bin
-INC_PATH = $(patsubst %,-I%,$(sort $(foreach file,$(filter %.h,$(PROJ_FILES)),$(dir $(file)))))
+INC_PATH = $(patsubst %/,%,$(patsubst %,-I%,$(sort $(foreach file,$(filter %.h,$(PROJ_FILES)),$(dir $(file))))))
 LIB_PATH  =