diff -x '*~' -Naur hotplug2-201/action.c hotplug2-201.patched/action.c
--- hotplug2-201/action.c	2010-04-01 04:48:10.000000000 +0300
+++ hotplug2-201.patched/action.c	2010-04-01 04:53:49.000000000 +0300
@@ -39,7 +39,7 @@
  * Returns: Newly allocated string in "key=value" form
  *
  */
-static char* alloc_env(const char *key, const char *value) {
+char* alloc_env(const char *key, const char *value) {
 	size_t keylen, vallen;
 	char *combined;
 
diff -x '*~' -Naur hotplug2-201/action.h hotplug2-201.patched/action.h
--- hotplug2-201/action.h	2009-12-09 20:44:14.000000000 +0200
+++ hotplug2-201.patched/action.h	2010-04-01 04:54:14.000000000 +0300
@@ -12,5 +12,6 @@
 #include "settings.h"
 
 void action_perform(struct settings_t *, struct uevent_t *);
+char* alloc_env(const char *, const char *);
 #endif /* ifndef ACTION_H */
 
diff -x '*~' -Naur hotplug2-201/workers/worker_fork.c hotplug2-201.patched/workers/worker_fork.c
--- hotplug2-201/workers/worker_fork.c	2010-04-01 04:52:26.000000000 +0300
+++ hotplug2-201.patched/workers/worker_fork.c	2010-04-01 04:51:49.000000000 +0300
@@ -380,6 +380,7 @@
 
 
 static int worker_fork_process(void *in_ctx, struct uevent_t *uevent) {
+	char **env;
 	int i;
 	struct worker_fork_child_t *child;
 	struct worker_fork_ctx_t *ctx = in_ctx;
@@ -406,6 +407,12 @@
 		 * No child process is currently available.
 		 */
 		if (child == NULL) {
+			env = xmalloc(sizeof(char *) * uevent->env_vars_c);
+			for (i = 0; i < uevent->env_vars_c; i++) {
+				env[i] = alloc_env(uevent->env_vars[i].key, uevent->env_vars[i].value);
+				putenv(env[i]);
+			}
+
 			/*
 			 * Are the matching rules trivial enough that we
 			 * can execute them in the main process?
@@ -421,6 +428,12 @@
 			 */
 			if (ctx->children_count < ctx->max_children)
 				child = worker_fork_spawn(ctx);
+
+			for (i = 0; i < uevent->env_vars_c; i++) {
+				unsetenv(uevent->env_vars[i].key);
+				free(env[i]);
+			}
+			free(env);
 		}
 
 		/*