diff --git a/Implementierung/Makefile b/Implementierung/Makefile
index 4bc5b3c..5d0ea38 100644
--- a/Implementierung/Makefile
+++ b/Implementierung/Makefile
@@ -30,6 +30,7 @@ md2: ${OBJ}
 	${CC} -o $@ $(OBJ) ${LDFLAGS}
 
 t/%:
+	@mkdir -p t
 	@echo
 	@echo "=== Generating ${subst t/,,$@}MB of random data... ==="
 	dd if=/dev/random of=$@ bs=1M count=${subst t/,,$@} status=progress
@@ -67,4 +68,4 @@ benchmarks.csv: md2 ${TESTFILES}
 	
 benchmarks: benchmarks.csv
 
-.PHONY: all clean help benchmarks
\ No newline at end of file
+.PHONY: all clean help benchmarks