diff --git a/crypto/dso/dso_dlfcn.c b/crypto/dso/dso_dlfcn.c
index 168c25b9e8cb989cf24f05fd22d56879bb8786d8..06953f3bd593be492b2466c2c27fad6ac77a4900 100644
--- a/crypto/dso/dso_dlfcn.c
+++ b/crypto/dso/dso_dlfcn.c
@@ -351,6 +351,15 @@ static char *dlfcn_merger(DSO *dso, const char *filespec1,
 	return(merged);
 	}
 
+#ifdef OPENSSL_SYS_MAC
+#define DSO_ext	".dynlib"
+#define DSO_extlen 7
+#else
+#define DSO_ext	".so"
+#define DSO_extlen 3
+#endif
+
+
 static char *dlfcn_name_converter(DSO *dso, const char *filename)
 	{
 	char *translated;
@@ -361,8 +370,8 @@ static char *dlfcn_name_converter(DSO *dso, const char *filename)
 	transform = (strstr(filename, "/") == NULL);
 	if(transform)
 		{
-		/* We will convert this to "%s.so" or "lib%s.so" */
-		rsize += 3;	/* The length of ".so" */
+		/* We will convert this to "%s.so" or "lib%s.so" etc */
+		rsize += DSO_extlen;	/* The length of ".so" */
 		if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
 			rsize += 3; /* The length of "lib" */
 		}
@@ -376,9 +385,9 @@ static char *dlfcn_name_converter(DSO *dso, const char *filename)
 	if(transform)
 		{
 		if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
-			sprintf(translated, "lib%s.so", filename);
+			sprintf(translated, "lib%s" DSO_ext, filename);
 		else
-			sprintf(translated, "%s.so", filename);
+			sprintf(translated, "%s" DSO_ext, filename);
 		}
 	else
 		sprintf(translated, "%s", filename);
diff --git a/test/Makefile b/test/Makefile
index 54cd727fba06a5e6d7620c61180bf8a189a28196..bbd7539187e0319a3eb4a41a0f56c5809ae00f83 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -134,7 +134,7 @@ alltests: \
 	test_enc test_x509 test_rsa test_crl test_sid \
 	test_gen test_req test_pkcs7 test_verify test_dh test_dsa \
 	test_ss test_ca test_engine test_evp test_ssl test_tsa test_ige \
-	test_jpake
+	test_jpake test_cms
 
 test_evp:
 	../util/shlib_wrap.sh ./$(EVPTEST) evptests.txt
@@ -304,6 +304,10 @@ test_jpake: $(JPAKETEST)$(EXE_EXT)
 	@echo "Test JPAKE"
 	../util/shlib_wrap.sh ./$(JPAKETEST)
 
+test_cms:
+	@echo "CMS consistency test"
+	$(PERL) cms-test.pl
+
 lint:
 	lint -DLINT $(INCLUDES) $(SRC)>fluff