diff --git a/configure/os/CONFIG.darwin-ppc.darwin-ppc b/configure/os/CONFIG.darwin-ppc.darwin-ppc
index 20a3bd7de..fff1a4b28 100644
--- a/configure/os/CONFIG.darwin-ppc.darwin-ppc
+++ b/configure/os/CONFIG.darwin-ppc.darwin-ppc
@@ -26,7 +26,7 @@ SHRLIB_VERSION = $(EPICS_VERSION).$(EPICS_REVISION).$(EPICS_MODIFICATION)
 
 LOADABLE_SHRLIB_LDFLAGS = -bundle -flat_namespace -undefined suppress
 LOADABLE_SHRLIB_SUFFIX = .so
-LOADABLE_SHRLIB_PREFIX =
+LOADABLE_SHRLIB_PREFIX = lib
 
 #
 # Position-independent code is the default on Darwin.