diff --git a/configure.ac b/configure.ac
index 673393f8da1..1ef437389ad 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1292,6 +1292,9 @@ if test x$fuzzing = xtrue; then
 	else
 		# required for libFuzzer
 		FUZZING_LDFLAGS="-stdlib=libc++ -lstdc++"
+		if test "$SANITIZER" = "coverage"; then
+			FUZZING_LDFLAGS="$FUZZING_LDFLAGS -lm"
+		fi
 		AC_SUBST(FUZZING_LDFLAGS)
 	fi
 fi