diff --git a/src/algorithms/signal_source/libs/CMakeLists.txt b/src/algorithms/signal_source/libs/CMakeLists.txt
index c9af11178..9d57575e6 100644
--- a/src/algorithms/signal_source/libs/CMakeLists.txt
+++ b/src/algorithms/signal_source/libs/CMakeLists.txt
@@ -20,7 +20,7 @@ if(ENABLE_FPGA OR ENABLE_AD9361)
     set(OPT_SIGNAL_SOURCE_LIB_SOURCES ${OPT_SIGNAL_SOURCE_LIB_SOURCES} fpga_buffer_monitor.cc)
     set(OPT_SIGNAL_SOURCE_LIB_HEADERS ${OPT_SIGNAL_SOURCE_LIB_HEADERS} fpga_buffer_monitor.h)
     set(OPT_SIGNAL_SOURCE_LIB_SOURCES ${OPT_SIGNAL_SOURCE_LIB_SOURCES} fpga_dma.cc)
-    set(OPT_SIGNAL_SOURCE_LIB_HEADERS ${OPT_SIGNAL_SOURCE_LIB_HEADERS} fpga_dma.h)    
+    set(OPT_SIGNAL_SOURCE_LIB_HEADERS ${OPT_SIGNAL_SOURCE_LIB_HEADERS} fpga_dma.h)
 endif()
 
 set(SIGNAL_SOURCE_LIB_SOURCES