diff --git a/Makefile.am b/Makefile.am
index 132b252581..a9193c99fa 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -696,7 +696,7 @@ modclean: $(switch_builddir)/modules.conf
 	@cd src/mod && $(MAKE) $(AM_MAKEFLAGS) clean
 
 modwipe:
-	rm -f $(prefix)/$(modulesdir)/*.${DYNAMIC_LIB_EXTEN}
+	rm -f $(modulesdir)/*.${DYNAMIC_LIB_EXTEN}
 
 dox:
 	cd docs && doxygen $(PWD)/docs/Doxygen.conf