diff --git a/cmake/EthCompilerSettings.cmake b/cmake/EthCompilerSettings.cmake
index 7ffb45964..74a2e55f9 100644
--- a/cmake/EthCompilerSettings.cmake
+++ b/cmake/EthCompilerSettings.cmake
@@ -23,6 +23,9 @@ endif()
 
 eth_add_cxx_compiler_flag_if_supported(-Wimplicit-fallthrough)
 
+# Prevent the path of the source directory from ending up in the binary via __FILE__ macros.
+eth_add_cxx_compiler_flag_if_supported("-fmacro-prefix-map=${CMAKE_SOURCE_DIR}=/solidity")
+
 if (("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") OR ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang"))
 	# Enables all the warnings about constructions that some users consider questionable,
 	# and that are easy to avoid.  Also enable some extra warning flags that are not