diff --git a/src/configure.in b/src/configure.in
index 0492eb0..18c7ff1 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -822,6 +822,7 @@
 	@echo "python_LIBS='$(LIBS)'"
 	@echo "python_SYSLIBS='$(SYSLIBS)'"
 	@echo "python_LINKFORSHARED='$(LINKFORSHARED)'"
+	@echo "python_INSTSONAME='$(INSTSONAME)'"
 eof
 	    dnl -- delete the lines from make about Entering/Leaving directory
 	    eval "`cd ${PYTHON_CONFDIR} && make -f "${tmp_mkf}" __ | sed '/ directory /d'`"
@@ -1001,6 +1002,7 @@
 	@echo "python3_LIBS='$(LIBS)'"
 	@echo "python3_SYSLIBS='$(SYSLIBS)'"
 	@echo "python3_LINKFORSHARED='$(LINKFORSHARED)'"
+	@echo "python3_INSTSONAME='$(INSTSONAME)'"
 eof
           dnl -- delete the lines from make about Entering/Leaving directory
           eval "`cd ${PYTHON3_CONFDIR} && make -f "${tmp_mkf}" __ | sed '/ directory /d'`"
@@ -1096,11 +1098,11 @@
   AC_DEFINE(DYNAMIC_PYTHON3)
   PYTHON_SRC="if_python.c"
   PYTHON_OBJ="objects/if_python.o"
-  PYTHON_CFLAGS="$PYTHON_CFLAGS -DDYNAMIC_PYTHON_DLL=\\\"libpython${vi_cv_var_python_version}.so\\\""
+  PYTHON_CFLAGS="$PYTHON_CFLAGS -DDYNAMIC_PYTHON_DLL=\\\"${python_INSTSONAME}\\\""
   PYTHON_LIBS=
   PYTHON3_SRC="if_python3.c"
   PYTHON3_OBJ="objects/if_python3.o"
-  PYTHON3_CFLAGS="$PYTHON3_CFLAGS -DDYNAMIC_PYTHON3_DLL=\\\"libpython${vi_cv_var_python3_version}.so\\\""
+  PYTHON3_CFLAGS="$PYTHON3_CFLAGS -DDYNAMIC_PYTHON3_DLL=\\\"${python3_INSTSONAME}\\\""
   PYTHON3_LIBS=
 fi