diff --git a/core/CMakeLists.txt b/core/CMakeLists.txt
index d217ad27..d75a04f5 100644
--- a/core/CMakeLists.txt
+++ b/core/CMakeLists.txt
@@ -12,15 +12,15 @@ else ()
 endif ()
 add_definitions(-DSDRPP_IS_CORE)
 
-# Set the install prefix
-add_compile_definitions(INSTALL_PREFIX="${CMAKE_INSTALL_PREFIX}")
-
 # Main code
 file(GLOB_RECURSE SRC "src/*.cpp" "src/*.c")
 
 # Add code to dyn lib
 add_library(sdrpp_core SHARED ${SRC})
 
+# Set the install prefix
+target_compile_definitions(sdrpp_core PUBLIC INSTALL_PREFIX="${CMAKE_INSTALL_PREFIX}")
+
 # Include core headers
 target_include_directories(sdrpp_core PUBLIC "src/")
 target_include_directories(sdrpp_core PUBLIC "src/imgui")