diff --git a/Compiler/runtime/config.h b/Compiler/runtime/config.h
index bbc3a24ad57..53ae9834994 100644
--- a/Compiler/runtime/config.h
+++ b/Compiler/runtime/config.h
@@ -55,7 +55,7 @@
 #endif
 
 /* adrpo: add -loleaut32 as is used by ExternalMedia */
-#define BASIC_LDFLAGS_RT " -lgc -lexpat -lregex -static-libgcc -luuid -loleaut32 -lole32 -lws2_32 -lsundials_kinsol -lsundials_nvecserial -lipopt -lcoinmumps -lcoinmetis -lpthread -lm -lgfortranbegin -lgfortran -lmingw32 -lgcc_eh -lmoldname -lmingwex -lmsvcrt -luser32 -lkernel32 -ladvapi32 -lshell32 -llapack-mingw -ltmglib-mingw -lblas-mingw -lf2c"
+#define BASIC_LDFLAGS_RT " -Wl,--allow-multiple-definition -lgc -lexpat -lregex -static-libgcc -luuid -loleaut32 -lole32 -lws2_32 -lsundials_kinsol -lsundials_nvecserial -lipopt -lcoinmumps -lcoinmetis -lpthread -lm -lgfortranbegin -lgfortran -lmingw32 -lgcc_eh -lmoldname -lmingwex -lmsvcrt -luser32 -lkernel32 -ladvapi32 -lshell32 -llapack-mingw -ltmglib-mingw -lblas-mingw -lf2c"
 #define LDFLAGS_RT " -lOpenModelicaRuntimeC" BASIC_LDFLAGS_RT
 #define LDFLAGS_RT_SIM " -lSimulationRuntimeC" BASIC_LDFLAGS_RT " -linteractive -lwsock32 -llis -lcdaskr -lstdc++"
 #define CONFIG_EXE_EXT ".exe"