diff --git a/configure.ac b/configure.ac
index c008c578e..d36b7cd5a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -162,7 +162,7 @@ AX_BOOST_BASE([1.35])
 # how to test for a set vs unset variable.
 AS_IF([test "x$BOOST_CPPFLAGS" = "x"],
       [AC_MSG_ERROR([Could not find Boost])],
-      [AC_MSG_NOTICE([Boost CPPFLGAS: $BOOST_CPPFLAGS])
+      [AC_MSG_NOTICE([Boost CPPFLAGS: $BOOST_CPPFLAGS])
       CPPFLAGS="$BOOST_CPPFLAGS $CPPFLAGS"
       LDFLAGS="$BOOST_LDFLAGS $LDFLAGS"])
 
diff --git a/m4/qbittorrent.m4 b/m4/qbittorrent.m4
index e104c443a..7fbf482d5 100644
--- a/m4/qbittorrent.m4
+++ b/m4/qbittorrent.m4
@@ -12,9 +12,9 @@ AC_DEFUN([FIND_QT4],
                                 [QT_QMAKE=`AS_DIRNAME(["$QT_QMAKE"])`])
                  ])
 
-AC_CHECK_FILE([$QT_QMAKE/qmake],
+AS_IF([$QT_QMAKE/qmake],
               [QT_QMAKE="$QT_QMAKE/qmake"],
-              [AC_CHECK_FILE([$QT_QMAKE/qmake-qt4],
+              [AS_IF([$QT_QMAKE/qmake-qt4],
                              [QT_QMAKE="$QT_QMAKE/qmake-qt4"],
                              [QT_QMAKE=""])
               ])
@@ -36,9 +36,9 @@ AC_DEFUN([FIND_QT5],
                                 [host_bins])
                  ])
 
-AC_CHECK_FILE([$QT_QMAKE/qmake],
+AS_IF([test -f "$QT_QMAKE/qmake"],
               [QT_QMAKE="$QT_QMAKE/qmake"],
-              [AC_CHECK_FILE([$QT_QMAKE/qmake-qt5],
+              [AS_IF([test -f "$QT_QMAKE/qmake-qt5"]
                              [QT_QMAKE="$QT_QMAKE/qmake-qt5"],
                              [QT_QMAKE=""])
               ])