diff --git a/hgsane/sane_hg_mdw.cpp b/hgsane/sane_hg_mdw.cpp
index b21f76a..538f204 100644
--- a/hgsane/sane_hg_mdw.cpp
+++ b/hgsane/sane_hg_mdw.cpp
@@ -2630,14 +2630,16 @@ extern "C" {	// avoid compiler exporting name in C++ style !!!
 	}
 	SANE_Status inner_sane_ex_get_driver_version(SANE_Int* hh, SANE_Int* hl, SANE_Int* lh, SANE_Int* ll)
 	{
+		unsigned long long v = hg_scanner_get_version();
+
 		if (hh)
-			*hh = VERSION_MAJOR;
+			*hh = (v >> 24) & 0x0ff;
 		if (hl)
-			*hl = VERSION_MINOR;
+			*hl = (v >> 16) & 0x0ff;
 		if (lh)
-			*lh = VERSION_YEAR;
+			*lh = (v >> 8) & 0x0ff;
 		if (ll)
-			*ll = GET_BUILD_VER;
+			*ll = (v >> 0) & 0x0ff;
 
 		return SANE_STATUS_GOOD;
 	}