diff --git a/crypto/dso/dso.h b/crypto/dso/dso.h
index 2cf6e1ae1270d044d6c41be505526ada6f2b60cb..9a1cdabf39a0ce8c342a0faded75c5e0d8f51c1d 100644
--- a/crypto/dso/dso.h
+++ b/crypto/dso/dso.h
@@ -345,6 +345,7 @@ void ERR_load_DSO_strings(void);
 #define DSO_R_LOAD_FAILED				 103
 #define DSO_R_NAME_TRANSLATION_FAILED			 109
 #define DSO_R_NO_FILENAME				 111
+#define DSO_R_NO_FILE_SPECIFICATION			 116
 #define DSO_R_NULL_HANDLE				 104
 #define DSO_R_SET_FILENAME_FAILED			 112
 #define DSO_R_STACK_ERROR				 105
diff --git a/crypto/dso/dso_err.c b/crypto/dso/dso_err.c
index 23ccfc00c567623e5a5616c3ab431c469af0ff9f..ac783e2796dab869eec4cabb718fe03bb08bd540 100644
--- a/crypto/dso/dso_err.c
+++ b/crypto/dso/dso_err.c
@@ -116,6 +116,7 @@ static ERR_STRING_DATA DSO_str_reasons[]=
 {DSO_R_LOAD_FAILED                       ,"could not load the shared library"},
 {DSO_R_NAME_TRANSLATION_FAILED           ,"name translation failed"},
 {DSO_R_NO_FILENAME                       ,"no filename"},
+{DSO_R_NO_FILE_SPECIFICATION             ,"no file specification"},
 {DSO_R_NULL_HANDLE                       ,"a null shared library handle was used"},
 {DSO_R_SET_FILENAME_FAILED               ,"set filename failed"},
 {DSO_R_STACK_ERROR                       ,"the meth_data stack is corrupt"},
diff --git a/crypto/dso/dso_lib.c b/crypto/dso/dso_lib.c
index e7ddfd5ecf799ef0352ecd4907d8c8ce89651edf..1045d1dd19baecba24eb218cb49c5f460323c7f8 100644
--- a/crypto/dso/dso_lib.c
+++ b/crypto/dso/dso_lib.c
@@ -394,7 +394,7 @@ char *DSO_merge(DSO *dso, const char *filespec1, const char *filespec2)
 	{
 	char *result = NULL;
 
-	if(dso == NULL || dir == NULL)
+	if(dso == NULL || filespec1 == NULL)
 		{
 		DSOerr(DSO_F_DSO_MERGE,ERR_R_PASSED_NULL_PARAMETER);
 		return(NULL);
@@ -403,7 +403,7 @@ char *DSO_merge(DSO *dso, const char *filespec1, const char *filespec2)
 		filespec1 = dso->filename;
 	if(filespec1 == NULL)
 		{
-		DSOerr(DSO_F_DSO_MERGE,DSO_R_NO_FILENAME);
+		DSOerr(DSO_F_DSO_MERGE,DSO_R_NO_FILE_SPECIFICATION);
 		return(NULL);
 		}
 	if((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0)