diff --git a/modules/libcom/src/osi/os/Darwin/osdEnv.c b/modules/libcom/src/osi/os/Darwin/osdEnv.c
index e7e90097f..e6206c3d8 100644
--- a/modules/libcom/src/osi/os/Darwin/osdEnv.c
+++ b/modules/libcom/src/osi/os/Darwin/osdEnv.c
@@ -35,11 +35,7 @@
  */
 epicsShareFunc void epicsShareAPI epicsEnvSet (const char *name, const char *value)
 {
-    if (!name) {
-        printf ("Usage: epicsEnvSet (\"name\", \"value\")\n");
-        return;
-    }
-
+    if (!name) return;
     iocshEnvClear(name);
     setenv(name, value, 1);
 }
diff --git a/modules/libcom/src/osi/os/default/osdEnv.c b/modules/libcom/src/osi/os/default/osdEnv.c
index d7f95099f..b284a86af 100644
--- a/modules/libcom/src/osi/os/default/osdEnv.c
+++ b/modules/libcom/src/osi/os/default/osdEnv.c
@@ -36,11 +36,7 @@ epicsShareFunc void epicsShareAPI epicsEnvSet (const char *name, const char *val
 {
     char *cp;
 
-    if (!name) {
-        printf ("Usage: epicsEnvSet (\"name\", \"value\")\n");
-        return;
-    }
-
+    if (!name) return;
     iocshEnvClear(name);
     
 	cp = mallocMustSucceed (strlen (name) + strlen (value) + 2, "epicsEnvSet");
diff --git a/modules/libcom/src/osi/os/iOS/osdEnv.c b/modules/libcom/src/osi/os/iOS/osdEnv.c
index c1ffd3694..fdc457003 100644
--- a/modules/libcom/src/osi/os/iOS/osdEnv.c
+++ b/modules/libcom/src/osi/os/iOS/osdEnv.c
@@ -32,11 +32,7 @@
  */
 epicsShareFunc void epicsShareAPI epicsEnvSet (const char *name, const char *value)
 {
-    if (!name) {
-        printf ("Usage: epicsEnvSet (\"name\", \"value\")\n");
-        return;
-    }
-
+    if (!name) return;
     iocshEnvClear(name);
     setenv(name, value, 1);
 }
diff --git a/modules/libcom/src/osi/os/vxWorks/osdEnv.c b/modules/libcom/src/osi/os/vxWorks/osdEnv.c
index ebc06af13..9245ae735 100644
--- a/modules/libcom/src/osi/os/vxWorks/osdEnv.c
+++ b/modules/libcom/src/osi/os/vxWorks/osdEnv.c
@@ -38,7 +38,7 @@ epicsShareFunc void epicsShareAPI epicsEnvSet (const char *name, const char *val
     char *cp;
 
     if (!name) {
-        printf ("Usage: epicsEnvSet (\"name\", \"value\")\n");
+        printf ("Usage: epicsEnvSet \"name\", \"value\"\n");
         return;
     }