diff --git a/libxslt/documents.c b/libxslt/documents.c
index 3f3a7312..4aad11bb 100644
--- a/libxslt/documents.c
+++ b/libxslt/documents.c
@@ -296,10 +296,11 @@ xsltLoadDocument(xsltTransformContextPtr ctxt, const xmlChar *URI) {
 	int res;
 
 	res = xsltCheckRead(ctxt->sec, ctxt, URI);
-	if (res == 0) {
-	    xsltTransformError(ctxt, NULL, NULL,
-		 "xsltLoadDocument: read rights for %s denied\n",
-			     URI);
+	if (res <= 0) {
+            if (res == 0)
+                xsltTransformError(ctxt, NULL, NULL,
+                     "xsltLoadDocument: read rights for %s denied\n",
+                                 URI);
 	    return(NULL);
 	}
     }
@@ -372,10 +373,11 @@ xsltLoadStyleDocument(xsltStylesheetPtr style, const xmlChar *URI) {
 	int res;
 
 	res = xsltCheckRead(sec, NULL, URI);
-	if (res == 0) {
-	    xsltTransformError(NULL, NULL, NULL,
-		 "xsltLoadStyleDocument: read rights for %s denied\n",
-			     URI);
+	if (res <= 0) {
+            if (res == 0)
+                xsltTransformError(NULL, NULL, NULL,
+                     "xsltLoadStyleDocument: read rights for %s denied\n",
+                                 URI);
 	    return(NULL);
 	}
     }
diff --git a/libxslt/imports.c b/libxslt/imports.c
index 874870cc..3783b247 100644
--- a/libxslt/imports.c
+++ b/libxslt/imports.c
@@ -130,10 +130,11 @@ xsltParseStylesheetImport(xsltStylesheetPtr style, xmlNodePtr cur) {
 	int secres;
 
 	secres = xsltCheckRead(sec, NULL, URI);
-	if (secres == 0) {
-	    xsltTransformError(NULL, NULL, NULL,
-		 "xsl:import: read rights for %s denied\n",
-			     URI);
+	if (secres <= 0) {
+            if (secres == 0)
+                xsltTransformError(NULL, NULL, NULL,
+                     "xsl:import: read rights for %s denied\n",
+                                 URI);
 	    goto error;
 	}
     }
diff --git a/libxslt/transform.c b/libxslt/transform.c
index 13793914..0636dbd0 100644
--- a/libxslt/transform.c
+++ b/libxslt/transform.c
@@ -3493,10 +3493,11 @@ xsltDocumentElem(xsltTransformContextPtr ctxt, xmlNodePtr node,
      */
     if (ctxt->sec != NULL) {
 	ret = xsltCheckWrite(ctxt->sec, ctxt, filename);
-	if (ret == 0) {
-	    xsltTransformError(ctxt, NULL, inst,
-		 "xsltDocumentElem: write rights for %s denied\n",
-			     filename);
+	if (ret <= 0) {
+            if (ret == 0)
+                xsltTransformError(ctxt, NULL, inst,
+                     "xsltDocumentElem: write rights for %s denied\n",
+                                 filename);
 	    xmlFree(URL);
 	    xmlFree(filename);
 	    return;
diff --git a/libxslt/xslt.c b/libxslt/xslt.c
index 780a5ad7..a234eb79 100644
--- a/libxslt/xslt.c
+++ b/libxslt/xslt.c
@@ -6763,10 +6763,11 @@ xsltParseStylesheetFile(const xmlChar* filename) {
 	int res;
 
 	res = xsltCheckRead(sec, NULL, filename);
-	if (res == 0) {
-	    xsltTransformError(NULL, NULL, NULL,
-		 "xsltParseStylesheetFile: read rights for %s denied\n",
-			     filename);
+	if (res <= 0) {
+            if (res == 0)
+                xsltTransformError(NULL, NULL, NULL,
+                     "xsltParseStylesheetFile: read rights for %s denied\n",
+                                 filename);
 	    return(NULL);
 	}
     }