diff --git a/dev.makefile b/dev.makefile
index 7a96af8..dd16bdd 100644
--- a/dev.makefile
+++ b/dev.makefile
@@ -2,7 +2,7 @@ all: build test-amalgamate
 
 build:
 	mkdir -p build/debug
-	cd build/debug; cmake -DCMAKE_BUILD_TYPE=debug -DJSONCPP_LIB_BUILD_SHARED=OFF -G "Unix Makefiles" ../..
+	cd build/debug; cmake -DCMAKE_BUILD_TYPE=debug -DJSONCPP_LIB_BUILD_SHARED=ON -G "Unix Makefiles" ../..
 	make -C build/debug
 
 # Currently, this depends on include/json/version.h generated