diff --git a/CMakeLists.txt b/CMakeLists.txt
index bff303f..42014d5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -76,8 +76,15 @@ endif()
 ########################################################################
 find_package(LibOsmoDSP)
 
+if(LIBOSMODSP_FOUND)
+    set(LIBOSMODSP_SOURCES "")
+endif()
+
 if(NOT LIBOSMODSP_FOUND)
-    message(FATAL_ERROR "libosmo-dsp required to compile iqbalance")
+    message(STATUS "libosmodsp not found, using local checkout")
+    set(LIBOSMODSP_INCLUDE_DIRS "libosmo-dsp/include/")
+    set(LIBOSMODSP_LIBRARIES "")
+    set(LIBOSMODSP_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/libosmo-dsp/src/cxvec.c ${CMAKE_CURRENT_SOURCE_DIR}/libosmo-dsp/src/iqbal.c)
 endif()
 
 ########################################################################
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 2c4e2b9..207cf76 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -19,7 +19,7 @@
 # Setup library
 ########################################################################
 include(GrPlatform) #define LIB_SUFFIX
-add_library(gnuradio-iqbalance SHARED iqbalance_fix_cc.cc iqbalance_optimize_c.cc )
+add_library(gnuradio-iqbalance SHARED iqbalance_fix_cc.cc iqbalance_optimize_c.cc ${LIBOSMODSP_SOURCES})
 target_link_libraries(gnuradio-iqbalance ${Boost_LIBRARIES} ${GRUEL_LIBRARIES} ${GNURADIO_CORE_LIBRARIES} ${LIBOSMODSP_LIBRARIES})
 set_target_properties(gnuradio-iqbalance PROPERTIES DEFINE_SYMBOL "gnuradio_iqbalance_EXPORTS")