diff --git a/ChangeLog b/ChangeLog
index 049b35191..093de3773 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,6 @@
 2011-07-10  Holger Vogt
- * main.c, ivars.c: environmental variable NGSPICE_INPUT_DIR
+ * main.c, ivars.c, /xspice/icm/analog/file_source/cfunc.mod: 
+   environmental variable NGSPICE_INPUT_DIR
    for additional search directory for input file
    
 2011-07-10  Robert Larice
diff --git a/src/xspice/icm/analog/file_source/cfunc.mod b/src/xspice/icm/analog/file_source/cfunc.mod
index 7a2e9f3d0..15c48f290 100644
--- a/src/xspice/icm/analog/file_source/cfunc.mod
+++ b/src/xspice/icm/analog/file_source/cfunc.mod
@@ -148,7 +148,7 @@ void cm_filesource(ARGS)   /* structure holding parms, inputs, outputs, etc.
 		state->atend = 0;
 		if (!state->fp) {
 			char *lbuffer, *p;
-            lbuffer = getenv("NGSPICE_INPUT");
+            lbuffer = getenv("NGSPICE_INPUT_DIR");
             if (lbuffer && *lbuffer) {
                 p = (char*) malloc(strlen(lbuffer) + strlen(DIR_PATHSEP) + strlen(PARAM(file)) + 1);
                 sprintf(p, "%s%s%s", lbuffer, DIR_PATHSEP, PARAM(file));