diff --git a/src/makefile.c b/src/makefile.c
index 2751c1a..41f9b82 100644
--- a/src/makefile.c
+++ b/src/makefile.c
@@ -2124,14 +2124,17 @@ static void _install_target_script(Configure * configure, FILE * fp,
 {
 	String const * path;
 	String const * script;
+	int phony;
 
 	if((path = config_get(configure->config, target, "install")) == NULL)
 		return;
 	if((script = config_get(configure->config, target, "script")) == NULL)
 		return;
-	fprintf(fp, "\t%s%s%s%s%s%s", script, " -P \"$(DESTDIR)",
+	phony = _makefile_is_phony(configure, target);
+	fprintf(fp, "\t%s%s%s%s%s%s%s", script, " -P \"$(DESTDIR)",
 			(path[0] != '\0') ? path : "$(PREFIX)",
-			"\" -i -- \"$(OBJDIR)", target, "\"\n");
+			"\" -i -- \"", phony ? "" : "$(OBJDIR)", target,
+			"\"\n");
 }
 
 static int _install_include(Config * config, FILE * fp, String const * include);
diff --git a/tests/script/Makefile.NetBSD b/tests/script/Makefile.NetBSD
index 987c850..0d105d4 100644
--- a/tests/script/Makefile.NetBSD
+++ b/tests/script/Makefile.NetBSD
@@ -26,8 +26,10 @@ distclean: clean
 
 install: $(TARGETS)
 	./script.sh -P "$(DESTDIR)/somewhere/else/again" -i -- "$(OBJDIR)test"
+	./script.sh -P "$(DESTDIR)$(PREFIX)" -i -- "phony"
 
 uninstall:
 	./script.sh -P "$(DESTDIR)/somewhere/else/again" -u -- "test"
+	./script.sh -P "$(DESTDIR)$(PREFIX)" -u -- "phony"
 
 .PHONY: all clean distclean install uninstall phony
diff --git a/tests/script/project.conf b/tests/script/project.conf
index 391657a..1311050 100644
--- a/tests/script/project.conf
+++ b/tests/script/project.conf
@@ -11,3 +11,4 @@ install=/somewhere/else/again
 type=script
 script=./script.sh
 phony=1
+install=