diff --git a/src/include/ngspice/sharedspice.h b/src/include/ngspice/sharedspice.h
index 411baec54..3cf85bbd9 100644
--- a/src/include/ngspice/sharedspice.h
+++ b/src/include/ngspice/sharedspice.h
@@ -88,6 +88,10 @@ request to the caller or an request for exiting upon error,
 done by callback function ngexit().
 */
 
+#ifndef PACKAGE_VERSION
+#define PACKAGE_VERSION "34+"
+#endif
+
 #ifndef NGSPICE_DLL_H
 #define NGSPICE_DLL_H
 
diff --git a/src/sharedspice.c b/src/sharedspice.c
index 900407370..00ee2c2d0 100644
--- a/src/sharedspice.c
+++ b/src/sharedspice.c
@@ -10,7 +10,6 @@
 /*******************/
 
 #ifdef _MSC_VER
-#define SHAREDSPICE_version "34.0"
 #define STDIN_FILENO    0
 #define STDOUT_FILENO   1
 #define STDERR_FILENO   2