diff --git a/Makefile b/Makefile
index 1e68804..fc3525a 100644
--- a/Makefile
+++ b/Makefile
@@ -72,7 +72,7 @@ ifneq ($(shared), not-set)
 endif
 
 define run-config
-cmake "$(CURDIR)" -B "$(BUILDDIR)" $(CONFIG_FLAGS)
+cmake "$(CURDIR)" -B"$(BUILDDIR)" $(CONFIG_FLAGS)
 endef
 
 all clean install: $(BUILDDIR)