diff --git a/mk/config.mk.in b/mk/config.mk.in
index 83b6fb190a6193c4d9be536304a84a932715aa7a..28041b32d13780d0a298c6902a2896f4bf974e62 100644
--- a/mk/config.mk.in
+++ b/mk/config.mk.in
@@ -473,7 +473,7 @@ INSTALL			= @INSTALL@
 # install-sh script (if chosen). This not terribly useful to us, so we convert
 # it into an abs. path.
 # 
-if "$(INSTALL)" ".././install-sh"
+ifeq "$(INSTALL)" ".././install-sh"
 INSTALL			= $(FPTOOLS_TOP_ABS)/install-sh
 endif
 LATEX			= latex