diff --git a/configure.ac b/configure.ac
index c8fea14..eb0a097 100644
--- a/configure.ac
+++ b/configure.ac
@@ -55,7 +55,7 @@ AC_DEFINE_UNQUOTED([LIB_VERSION_REVISION],
   [Library revision])
 
 AM_CPPFLAGS="-I\$(top_srcdir)/include"
-AM_CFLAGS="-Wall -Wno-parentheses"
+AM_CFLAGS="-Wall"
 AM_CXXFLAGS="$AM_CFLAGS"
 AC_SUBST([AM_CPPFLAGS])
 AC_SUBST([AM_CFLAGS])
diff --git a/zbar/libzbar.rc b/zbar/libzbar.rc
index 413635b..c241f82 100644
--- a/zbar/libzbar.rc
+++ b/zbar/libzbar.rc
@@ -17,8 +17,7 @@ VS_VERSION_INFO VERSIONINFO
             VALUE "InternalName", "libzbar"
             VALUE "OriginalFilename", "libzbar-" XSTR(LIB_VERSION_MAJOR) ".dll"
 
-            VALUE "FileVersion", XSTR(LIB_VERSION_MAJOR) "." \
-                XSTR(LIB_VERSION_MINOR) "." XSTR(LIB_VERSION_REVISION)
+            VALUE "FileVersion", XSTR(LIB_VERSION_MAJOR) "." XSTR(LIB_VERSION_MINOR) "." XSTR(LIB_VERSION_REVISION)
             VALUE "ProductVersion", PACKAGE_VERSION
 
             VALUE "FileDescription", "Bar code reader library"
diff --git a/zbar/processor.h b/zbar/processor.h
index d5e9fef..54d6584 100644
--- a/zbar/processor.h
+++ b/zbar/processor.h
@@ -27,7 +27,9 @@
 #ifdef HAVE_INTTYPES_H
 # include <inttypes.h>
 #endif
-#include <unistd.h>
+#ifndef WIN32
+# include <unistd.h>
+#endif
 #include <stdlib.h>
 #include <string.h>
 
diff --git a/zbar/thread.h b/zbar/thread.h
index 96d6415..252d3f2 100644
--- a/zbar/thread.h
+++ b/zbar/thread.h
@@ -35,7 +35,7 @@
 # define HAVE_THREADS
 # define ZTHREAD DWORD WINAPI
 
-typedef ZTHREAD (zbar_thread_proc_t)(void*);
+typedef ZTHREAD zbar_thread_proc_t(void*);
 
 typedef DWORD zbar_thread_id_t;