3 files changed, 11 insertions, 2 deletions
diff --git a/src/uri.c b/src/uri.c
index d329c4b5..fbd9e03d 100644
--- a/src/uri.c
+++ b/src/uri.c
@@ -364,8 +364,10 @@ serd_uri_serialise(const SerdURI* uri, SerdSink sink, void* stream)
 			} while (up > 0 && (--base_last > uri->path_base.buf));
 
 			// Write base URI prefix
-			const size_t base_len = base_last - uri->path_base.buf + 1;
-			WRITE(uri->path_base.buf, base_len);
+			if (*base_last == '/') {
+				const size_t base_len = base_last - uri->path_base.buf + 1;
+				WRITE(uri->path_base.buf, base_len);
+			}
 
 		} else {
 			// Relative path is just query or fragment, append to base URI
diff --git a/waf b/waf
index f532f38d..907b9847 100755
--- a/waf
+++ b/waf
diff --git a/wscript b/wscript
index bdf0360a..b3f4337a 100644
--- a/wscript
+++ b/wscript
@@ -316,6 +316,13 @@ def test(ctx):
 
     autowaf.run_tests(ctx, APPNAME, ['serd_test'], dirs=['.'])
 
+    autowaf.run_tests(ctx, APPNAME, [
+            'serdi_static -o turtle %s/tests/base.ttl "base.ttl" > tests/base.ttl.out' % srcdir],
+                      0, name='base')
+
+    if not file_equals('%s/tests/base.ttl' % srcdir, 'tests/base.ttl.out'):
+        Logs.pprint('RED', 'FAIL: build/tests/base.ttl.out is incorrect')
+
     nul = os.devnull
     autowaf.run_tests(ctx, APPNAME, [
             'serdi_static file://%s/tests/manifest.ttl > %s' % (srcdir, nul),