diff --git a/README.md b/README.md
index 8af9036d..5336f7cf 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,11 @@
 
 ## __Changelog:__
 
+### xca 1.3.1
+
+ * Fix endless loop while searching for a signer of a CRL
+   (XCA does not respond)
+
 ### xca 1.3.0
  * Update to OpenSSL 1.0.2d for Windows and MAC
  * SF Bug #105 1.2.0 OS X Retina Display Support
diff --git a/configure.ac b/configure.ac
index 57c0914a..1783625d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -91,7 +91,8 @@ PKG_CHECK_MODULES(QT5, [Qt5Core >= 5.0, Qt5Widgets >= 5.0], [
   QT_MOC="`pkg-config --variable=moc_location Qt5Core`"
   QT_UIC="`pkg-config --variable=uic_location Qt5Core`"
   if test -n "$DARWIN"; then
-    QT_CFLAGS="$QT_CFLAGS -F`pkg-config --variable=libdir Qt5Core`"
+    FRAMEDIR=`pkg-config --variable=libdir Qt5Core`
+    QT5_CFLAGS="$QT5_CFLAGS -F${FRAMEDIR} -I${FRAMEDIR}/QtCore.framework/Headers -I${FRAMEDIR}/QtGui.framework/Headers -I${FRAMEDIR}/QtWdgets.framework/Headers"
   fi
   QT_VERSION=5
   QT_CFLAGS="${QT5_CFLAGS} -fPIC"
@@ -101,10 +102,11 @@ PKG_CHECK_MODULES(QT5, [Qt5Core >= 5.0, Qt5Widgets >= 5.0], [
     QT_MOC="`pkg-config --variable=moc_location QtCore`"
     QT_UIC="`pkg-config --variable=uic_location QtCore`"
     if test -n "$DARWIN"; then
-      QT_CFLAGS="$QT_CFLAGS -F`pkg-config --variable=libdir QtCore`"
+      FRAMEDIR=`pkg-config --variable=libdir QtCore`
+      QT4_CFLAGS="$QT4_CFLAGS -F${FRAMEDIR} -I${FRAMEDIR}/QtCore.framework/Headers -I${FRAMEDIR}/QtGui.framework/Headers"
     fi
     QT_VERSION=4
-    QT_CFLAGS="${QT4_CFLAGS} -fPIC"
+    QT_CFLAGS="${QT4_CFLAGS}"
     QT_LIBS="${QT4_LIBS}"
   ], [
     if test -z "$DARWIN"; then