diff --git a/Makefile b/Makefile
index 1f69cc2..7ea736b 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@ test-r6rs-script:
 	@rm -rf testvenv/ \
 		&& ./scheme-venv ${SCHEME} r6rs testvenv \
 		&& ./testvenv/bin/snow-chibi install --always-yes retropikzel.hello \
-		&& ./testvenv/bin/akku install akku-r7rs \
+		&& ./testvenv/bin/akku install chez-srfi \
 		&& SCHEME_VENV_DEBUG=1 ./testvenv/bin/scheme-script test.sps
 
 test-r6rs-compile:
@@ -19,7 +19,7 @@ test-r6rs-compile:
 	@rm -rf testvenv/ \
 		&& ./scheme-venv ${SCHEME} r6rs testvenv \
 		&& ./testvenv/bin/snow-chibi install --always-yes retropikzel.hello \
-		&& ./testvenv/bin/akku install akku-r7rs \
+		&& ./testvenv/bin/akku install chez-srfi \
 		&& SCHEME_VENV_DEBUG=1 ./testvenv/bin/scheme-compile compile-test.sps \
 		&& ./compile-test
 
diff --git a/compile-test.sps b/compile-test.sps
index 7abab3c..1681dcb 100644
--- a/compile-test.sps
+++ b/compile-test.sps
@@ -1,9 +1,6 @@
-(import (scheme base)
-        (scheme write)
-        (scheme process-context)
-        (retropikzel hello)
+(import (rnrs)
         (srfi :64))
 
-(display "scheme-venv-compile-test-success-")
-(hello)
+(display "scheme-venv-compile-test-success-Hello")
+(newline)
 (exit 0)
diff --git a/test.sps b/test.sps
index 42e2ba4..c9edd6f 100644
--- a/test.sps
+++ b/test.sps
@@ -1,9 +1,6 @@
-(import (scheme base)
-        (scheme write)
-        (scheme process-context)
-        (retropikzel hello)
+(import (rnrs)
         (srfi :64))
 
-(display "scheme-venv-script-test-success-")
-(hello)
+(display "scheme-venv-script-test-success-Hello")
+(newline)
 (exit 0)