diff --git a/source/_images/Makefile b/source/_images/Makefile
index 14592a0..cf15c72 100755
--- a/source/_images/Makefile
+++ b/source/_images/Makefile
@@ -4,6 +4,7 @@ OUT_DIR = ../images
 
 SVG := $(wildcard $(SRC_DIR)/*.svg)
 PNG := $(patsubst $(SRC_DIR)/%.svg,$(OUT_DIR)/%.png,$(SVG))
+DIR := ${CURDIR}
 
 all: $(PNG)
 
@@ -11,4 +12,4 @@ clean:
 	rm -f $(PNG)
 
 $(OUT_DIR)/%.png: $(SRC_DIR)/%.svg
-	inkscape --file=$< --export-area-drawing --export-png=$@
+	inkscape --file=$(DIR)/$< --export-area-drawing --export-png=$(DIR)/$@