diff --git a/CMakeLists.txt b/CMakeLists.txt
index bb3837aa0..23d4d21e1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,13 +24,14 @@ if (NOT (${CMAKE_BUILD_TYPE} MATCHES "Debug"))
 endif ()
 
 # Test architecture
-execute_process(COMMAND dpkg-architecture -qDEB_BUILD_ARCH OUTPUT_VARIABLE ARCHITECTURE)
-string(STRIP ${ARCHITECTURE} ARCHITECTURE)
+execute_process(COMMAND dpkg-architecture -qDEB_BUILD_ARCH OUTPUT_VARIABLE ARCHITECTURE RESULT_VARIABLE EXIT_CODE)
+if (${EXIT_CODE} EQUAL 0)
+    string(STRIP ${ARCHITECTURE} ARCHITECTURE)
 
-if (${ARCHITECTURE} STREQUAL "sw_64")
-    # add compiler flags -mieee for mathmatic
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mieee")
-    message(${CMAKE_CXX_FLAGS})
+    if (${ARCHITECTURE} STREQUAL "sw_64")
+        # add compiler flags -mieee for mathmatic
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mieee")
+    endif()
 endif()
 
 file(GLOB INTERFACES "interfaces/*.h")