diff --git a/Makefile.in b/Makefile.in
index 7fe2d17..64ebe5c 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -84,7 +84,7 @@ $(OBJDBG)/%.o: \
 	@$(MKDIR) `dirname $@`
 	@$(CXX) $(CFLAGS) -fstack-check \
 				-DDEBUG=1 \
-				-DBUILD_DATE=`date +"0x%Y%m%d"`\
+				-DBUILD_DATE=`date +"%Y%m%d"`\
 				-g -o $@ -c $<
 
 $(OBJRLS)/%.o: \
@@ -95,7 +95,7 @@ $(OBJRLS)/%.o: \
 	@$(MKDIR) `dirname $@`
 	@$(CXX) $(CFLAGS) \
 				-DNDEBUG=1 \
-				-DBUILD_DATE=`date +"0x%Y%m%d"` \
+				-DBUILD_DATE=`date +"%Y%m%d"` \
 				-o $@ -c $<
 
 %.tar.bz2: \
diff --git a/src/private.h b/src/private.h
index 02bc790..cdc2616 100644
--- a/src/private.h
+++ b/src/private.h
@@ -41,7 +41,7 @@
 	#pragma GCC diagnostic pop
 
 	#include <lib3270/config.h>
-	#include <pw3270/class.h>
+	#include <pw3270cpp.h>
 
 	#if defined(_WIN32)
 
diff --git a/src/py3270.cc b/src/py3270.cc
index 1df732d..945bef4 100644
--- a/src/py3270.cc
+++ b/src/py3270.cc
@@ -44,7 +44,11 @@
 
 static PyObject * get_revision(PyObject *self, PyObject *args) {
 
+#ifdef PACKAGE_REVISION
     return PyLong_FromLong(atoi(PACKAGE_REVISION));
+#else
+    return PyLong_FromLong(BUILD_DATE);
+#endif // PACKAGE_REVISION
 
 }
 
--
libgit2 0.21.2